Home Forums Hunting & Shooting Ask The Gunwriters 8 x 57 Necked Down to 7mm

Previous Thread

Next Thread

8 x 57 Necked Down to 7mm #8786048 04/17/14 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Regarding the title: what cartridge results from necking down the 8x57 to 7mm and trimming back to 57mm with no other changes? No, it isn't the standard 7x57mm Mauser, since the shoulder length and angle are different. And it has probably 5% greater capacity than the 7x57 Mauser, and perhaps 13% greater capacity than the 7mm-08.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8786089 04/17/14 Joined: Jan 2005 Posts: 6,184 Winchester ID K kenster99 Campfire Tracker kenster99 Campfire Tracker K Joined: Jan 2005 Posts: 6,184 Winchester ID I think it is the 7x57!

Re: 8 x 57 Necked Down to 7mm kenster99 #8786274 04/17/14 Joined: Sep 2010 Posts: 3,891 Edge of nowhere B bangeye Campfire Tracker bangeye Campfire Tracker B Joined: Sep 2010 Posts: 3,891 Edge of nowhere I am sort of with kenster99 on this one but if you have done the calculations I'll take your word for the extra case capacity. I guess my question would be why? If you want more capacity than the 7x57 just get a .280 Remington and save a lot of messing about.

Re: 8 x 57 Necked Down to 7mm bangeye #8786298 04/17/14 Joined: Jan 2001 Posts: 28,363 Idaho, USA Jim in Idaho Campfire Ranger Jim in Idaho Campfire Ranger Joined: Jan 2001 Posts: 28,363 Idaho, USA Assuming speeds in the 2800-2900 fps area for a standard 7X57, 5% greater case capacity should be good for about 1.5% greater velocity, i.e. around 42 to 43 fps more velocity at the same pressures. Gunnery, gunnery, gunnery. Hit the target, all else is twaddle!

Re: 8 x 57 Necked Down to 7mm bangeye #8786303 04/17/14 Joined: May 2003 Posts: 31,215 Ogden, Utah RockyRaab Campfire 'Bwana RockyRaab Campfire 'Bwana Joined: May 2003 Posts: 31,215 Ogden, Utah Prepare to swoon: An 8x57 necked to 7mm Ackley tight neck fast twist heavy bullet 1000-yard one-holer. Did I miss any fads? Cleverly disguised as a responsible adult.

Re: 8 x 57 Necked Down to 7mm bangeye #8786374 04/17/14 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by bangeye I am sort of with kenster99 on this one but if you have done the calculations I'll take your word for the extra case capacity. I guess my question would be why? If you want more capacity than the 7x57 just get a .280 Remington and save a lot of messing about. I could just use my 7x61 S&H. But that is not what I am asking. It would be a 7x57, but not a 7x57 Mauser. Does this cartridge already exist, and if so, what is it called?

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8786384 04/17/14 Joined: Jun 2004 Posts: 44,801 M mathman Campfire 'Bwana mathman Campfire 'Bwana M Joined: Jun 2004 Posts: 44,801 7x57 Fulzehrund

Re: 8 x 57 Necked Down to 7mm mathman #8786420 04/17/14 Joined: Mar 2011 Posts: 4,963 Wisconsin C CowboyTim Campfire Tracker CowboyTim Campfire Tracker C Joined: Mar 2011 Posts: 4,963 Wisconsin You could call it a .280 Mauser... Mauser Rescue Society Founder, President, and Chairman I don't always shoot Mausers, but when I do...I prefer VZ-24s. jdi do píči

Re: 8 x 57 Necked Down to 7mm CowboyTim #8786547 04/17/14 Joined: Sep 2004 Posts: 8,122 S.E. Alaska MuskegMan Campfire Outfitter MuskegMan Campfire Outfitter Joined: Sep 2004 Posts: 8,122 S.E. Alaska Originally Posted by CowboyTim You could call it a .280 Mauser... I'll go .323 Mouser.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8786609 04/17/14 Joined: Oct 2002 Posts: 96,121 S Steelhead Campfire Oracle Steelhead Campfire Oracle S Joined: Oct 2002 Posts: 96,121 Originally Posted by Bandukwallah Originally Posted by bangeye I am sort of with kenster99 on this one but if you have done the calculations I'll take your word for the extra case capacity. I guess my question would be why? If you want more capacity than the 7x57 just get a .280 Remington and save a lot of messing about. I could just use my 7x61 S&H. But that is not what I am asking. It would be a 7x57, but not a 7x57 Mauser. Does this cartridge already exist, and if so, what is it called? Yes it does exist, the 7mm Redundant "Dear Lord, save me from Your followers"

Re: 8 x 57 Necked Down to 7mm MuskegMan #8786610 04/17/14 Joined: Jan 2005 Posts: 6,184 Winchester ID K kenster99 Campfire Tracker kenster99 Campfire Tracker K Joined: Jan 2005 Posts: 6,184 Winchester ID 284 mauser

Re: 8 x 57 Necked Down to 7mm kenster99 #8786616 04/17/14 Joined: May 2005 Posts: 9,611 Central Texas P powdr Campfire Outfitter powdr Campfire Outfitter P Joined: May 2005 Posts: 9,611 Central Texas Man you can sure tell that hunting season is over. Looks like were in for some doozies this spring. powdr

Re: 8 x 57 Necked Down to 7mm powdr #8786677 04/17/14 Joined: Jan 2010 Posts: 1,063 Missouri Ozarks H Hogeye Campfire Regular Hogeye Campfire Regular H Joined: Jan 2010 Posts: 1,063 Missouri Ozarks 283 Chevy

Re: 8 x 57 Necked Down to 7mm Hogeye #8787467 04/17/14 Joined: Feb 2011 Posts: 629 Whitehorse, YT Y yukonphil Campfire Regular yukonphil Campfire Regular Y Joined: Feb 2011 Posts: 629 Whitehorse, YT why bother ... the 7x64 Brenneke the real 280 and well in advance.

Re: 8 x 57 Necked Down to 7mm yukonphil #8787503 04/17/14 Joined: Jan 2006 Posts: 5,720 now in SC rifle Campfire Tracker rifle Campfire Tracker Joined: Jan 2006 Posts: 5,720 now in SC Ok, I have a 8x63mm in a pre-war Mauser,barrel is marked that way Come on America, Athletes and actors are not heroes, only soldiers, airmen,marines and sailors get that respect�and let's add firemen and LEO's

Re: 8 x 57 Necked Down to 7mm rifle #8787560 04/17/14 Joined: Nov 2012 Posts: 2,622 Idaho N NTG Campfire Regular NTG Campfire Regular N Joined: Nov 2012 Posts: 2,622 Idaho I think it would give you similar case capacity to the 284 win, but a little less IIRC.

Re: 8 x 57 Necked Down to 7mm NTG #8787680 04/17/14 Joined: Jan 2001 Posts: 5,828 East Haddam, CT gmsemel Campfire Tracker gmsemel Campfire Tracker Joined: Jan 2001 Posts: 5,828 East Haddam, CT Let me understand you want to take an 8 x 57 and neck it down to 7mm? Sounds like a hell of a cartridge to me, should perform well, and it might get a good monicker in time. Can wait to see it chambered in rifles! "Any idiot can face a crisis,it's the day-to-day living that wears you out." Anton Chekhov

Re: 8 x 57 Necked Down to 7mm gmsemel #8788335 04/17/14 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Do I detect a hint of sarcasm in some of these replies? Nah, couldn't be; it must be my imagination. By my calculations, the 7mm/8mm Mauser (I just named it!) would have about the same capacity as the 7x57 Ackley Improved, or around 61.4 grs water. Contrast that with the standard 7x57 at 55.5 grs, and the 7mm/08 at 52.2 grs. That represents a 10% increase over the 7x57, and 17% increase over the 7-08.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8788664 04/17/14 Joined: Feb 2001 Posts: 5,936 AK..CO..MO..CO..EU..AR..next??... Kodiakisland Campfire Tracker Kodiakisland Campfire Tracker Joined: Feb 2001 Posts: 5,936 AK..CO..MO..CO..EU..AR..next??... Originally Posted by Bandukwallah Regarding the title: what cartridge results from necking down the 8x57 to 7mm and trimming back to 57mm with no other changes? No, it isn't the standard 7x57mm Mauser, since the shoulder length and angle are different. And it has probably 5% greater capacity than the 7x57 Mauser, and perhaps 13% greater capacity than the 7mm-08. Why is it that a guy asks a simple question and all he gets are questionable replies. Much like the simple question about annealing that was asked on here a few days ago. Guys, all he is asking is what is the cartridge called. How [bleep] hard is that to understand? He's not saying that should be the next new wonder cartridge that we all can't live without. Don't just be a survivor, be a competitor.

Re: 8 x 57 Necked Down to 7mm NTG #8789076 04/18/14 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by NTG I think it would give you similar case capacity to the 284 win, but a little less IIRC. The .284 has 64.6 grs water vs. appx.61.4 for the 7mm/8x57. So you are very close.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8789162 04/18/14 Joined: Dec 2009 Posts: 31,599 Fall Creek Blanco Co. Texas K kaywoodie Campfire 'Bwana kaywoodie Campfire 'Bwana K Joined: Dec 2009 Posts: 31,599 Fall Creek Blanco Co. Texas I can be very wrong but I thought the original parent cases back in the 1890's were extremely similar if not the same. But the 7.9 x 57 (8 x 57) case evolved to its present form sometime in the interwar years. As a result of not only projectile diameter difference but also bullet weight and material conservation. Like war effort. The cartridge definitely went thru an evolution period. Think Olson hit on some of this in his Mauser book. Don't remember it all. Have destroyed considerable brain cells since I last read it! Good luck in your endeavor! Founder Ancient Order of the 1895 Winchester "Come, shall we go and kill us venison? And yet it irks me the poor dappled fools, Being native burghers of this desert city, Should in their own confines with forked heads Have their round haunches gored." WS

Re: 8 x 57 Necked Down to 7mm RockyRaab #8789215 04/18/14 Joined: Mar 2007 Posts: 12,599 A Quieter Place S shootem Campfire Outfitter shootem Campfire Outfitter S Joined: Mar 2007 Posts: 12,599 A Quieter Place Originally Posted by RockyRaab Prepare to swoon: An 8x57 necked to 7mm Ackley tight neck fast twist heavy bullet 1000-yard one-holer. Did I miss any fads? The most important. Has to be a 6.5/.264 dia bullet. “When Tyranny becomes Law, Rebellion becomes Duty” Colossians 3:17 (New King James Version) "And whatever you do in word or deed, do all in the name of the Lord Jesus, giving thanks to God the Father through Him."

Re: 8 x 57 Necked Down to 7mm shootem #8789232 04/18/14 Joined: Nov 2012 Posts: 2,622 Idaho N NTG Campfire Regular NTG Campfire Regular N Joined: Nov 2012 Posts: 2,622 Idaho Why not a 284win with a capacity of ~66 grains?

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8789347 04/18/14 Joined: Dec 2012 Posts: 4,842 R RevMike Campfire Tracker RevMike Campfire Tracker R Joined: Dec 2012 Posts: 4,842 Originally Posted by Bandukwallah Do I detect a hint of sarcasm in some of these replies? Nah, couldn't be; it must be my imagination. By my calculations, the 7mm/8mm Mauser (I just named it!) would have about the same capacity as the 7x57 Ackley Improved, or around 61.4 grs water. Contrast that with the standard 7x57 at 55.5 grs, and the 7mm/08 at 52.2 grs. That represents a 10% increase over the 7x57, and 17% increase over the 7-08. Help me out: If what you're proposing is virtually the same as the 7x57AI, then why wouldn't you just chamber a rifle in 7x57AI, use the 8x57 brass for forming (if need be), and be done with it? I'm not trying to be sarcastic, just trying to figure out what's new and improved over something virtually identical that already exists? "An archer sees how far he can be from a target and still hit it, a bowhunter sees how close he can get before he shoots." It is certainly easy to use that same line of thinking with firearms. -- Unknown

Re: 8 x 57 Necked Down to 7mm Hogeye #8789454 04/18/14 Joined: Oct 2007 Posts: 14,207 N.E.Wisconsin H Huntz Campfire Outfitter Huntz Campfire Outfitter H Joined: Oct 2007 Posts: 14,207 N.E.Wisconsin Originally Posted by Hogeye 283 Chevy Necked up to a 327 Its all right to be white!! Stupidity left unattended will run rampant Don't argue with stupid people, They will drag you down to their level and then win by experience

Re: 8 x 57 Necked Down to 7mm RevMike #8790563 04/18/14 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by RevMike Originally Posted by Bandukwallah Do I detect a hint of sarcasm in some of these replies? Nah, couldn't be; it must be my imagination. By my calculations, the 7mm/8mm Mauser (I just named it!) would have about the same capacity as the 7x57 Ackley Improved, or around 61.4 grs water. Contrast that with the standard 7x57 at 55.5 grs, and the 7mm/08 at 52.2 grs. That represents a 10% increase over the 7x57, and 17% increase over the 7-08. Help me out: If what you're proposing is virtually the same as the 7x57AI, then why wouldn't you just chamber a rifle in 7x57AI, use the 8x57 brass for forming (if need be), and be done with it? I'm not trying to be sarcastic, just trying to figure out what's new and improved over something virtually identical that already exists? NIH!

Re: 8 x 57 Necked Down to 7mm kaywoodie #8791660 04/18/14 Joined: Nov 2009 Posts: 3,927 De-tox J Jocko_Slugshot Campfire Tracker Jocko_Slugshot Campfire Tracker J Joined: Nov 2009 Posts: 3,927 De-tox Originally Posted by kaywoodie I can be very wrong but I thought the original parent cases back in the 1890's were extremely similar if not the same. But the 7.9 x 57 (8 x 57) case evolved to its present form sometime in the interwar years. As a result of not only projectile diameter difference but also bullet weight and material conservation. Like war effort. The cartridge definitely went thru an evolution period. Think Olson hit on some of this in his Mauser book. Don't remember it all. Have destroyed considerable brain cells since I last read it! Good luck in your endeavor! I think the case shape of the 8x57 stayed the same from the time of adoption to the present time. What changed was bullets. It went from a 236-grain round nose, to a 154-grain spitzer in 1905, to the famous 196-grain SS load of WW2. (SS in this case stands for schweres spitzgeschoss which translates to heavy pointed bullet.) Keep your gun-hand ready and your eyes peeled.

Re: 8 x 57 Necked Down to 7mm Jocko_Slugshot #8792354 04/19/14 Joined: Oct 2005 Posts: 13,065 Croatan NC 6mm250 Campfire Outfitter 6mm250 Campfire Outfitter Joined: Oct 2005 Posts: 13,065 Croatan NC 7mm8mm Mike Always talk to the old guys , they know stuff. Jerry Miculek

Re: 8 x 57 Necked Down to 7mm Jocko_Slugshot #8794853 04/20/14 Joined: Dec 2009 Posts: 31,599 Fall Creek Blanco Co. Texas K kaywoodie Campfire 'Bwana kaywoodie Campfire 'Bwana K Joined: Dec 2009 Posts: 31,599 Fall Creek Blanco Co. Texas Originally Posted by Jocko_Slugshot Originally Posted by kaywoodie I can be very wrong but I thought the original parent cases back in the 1890's were extremely similar if not the same. But the 7.9 x 57 (8 x 57) case evolved to its present form sometime in the interwar years. As a result of not only projectile diameter difference but also bullet weight and material conservation. Like war effort. The cartridge definitely went thru an evolution period. Think Olson hit on some of this in his Mauser book. Don't remember it all. Have destroyed considerable brain cells since I last read it! Good luck in your endeavor! I think the case shape of the 8x57 stayed the same from the time of adoption to the present time. What changed was bullets. It went from a 236-grain round nose, to a 154-grain spitzer in 1905, to the famous 196-grain SS load of WW2. (SS in this case stands for schweres spitzgeschoss which translates to heavy pointed bullet.) Bingo! That's it. The heavier bullet gave better performance at the longer ranges for LMG use! I also remember the dura-aluminum experiment for cases to be used on Zeppelins and such. Weren't too successful. Founder Ancient Order of the 1895 Winchester "Come, shall we go and kill us venison? And yet it irks me the poor dappled fools, Being native burghers of this desert city, Should in their own confines with forked heads Have their round haunches gored." WS

Re: 8 x 57 Necked Down to 7mm kaywoodie #8795053 04/20/14 Joined: Nov 2009 Posts: 3,927 De-tox J Jocko_Slugshot Campfire Tracker Jocko_Slugshot Campfire Tracker J Joined: Nov 2009 Posts: 3,927 De-tox Originally Posted by kaywoodie Originally Posted by Jocko_Slugshot Originally Posted by kaywoodie I can be very wrong but I thought the original parent cases back in the 1890's were extremely similar if not the same. But the 7.9 x 57 (8 x 57) case evolved to its present form sometime in the interwar years. As a result of not only projectile diameter difference but also bullet weight and material conservation. Like war effort. The cartridge definitely went thru an evolution period. Think Olson hit on some of this in his Mauser book. Don't remember it all. Have destroyed considerable brain cells since I last read it! Good luck in your endeavor! I think the case shape of the 8x57 stayed the same from the time of adoption to the present time. What changed was bullets. It went from a 236-grain round nose, to a 154-grain spitzer in 1905, to the famous 196-grain SS load of WW2. (SS in this case stands for schweres spitzgeschoss which translates to heavy pointed bullet.) Bingo! That's it. The heavier bullet gave better performance at the longer ranges for LMG use! I also remember the dura-aluminum experiment for cases to be used on Zeppelins and such. Weren't too successful. There was also a schweres Spitzgeschoss mit Eisenkern. I.E. Heavy pointed bullet with iron core. I'm not sure if this bullet was manufactured as an armor-piercing round or if Germany was running short on lead, maybe both. Keep your gun-hand ready and your eyes peeled.

Re: 8 x 57 Necked Down to 7mm Jocko_Slugshot #8795521 04/20/14 Joined: Dec 2003 Posts: 5,950 Michigan Big_Redhead Campfire Tracker Big_Redhead Campfire Tracker Joined: Dec 2003 Posts: 5,950 Michigan 7x8x57 7-8mm 7mm-8mm 7/8mm 7-8x57 7/8x57 It sounds like a great round any way you spell it! Our God reigns. Harrumph!!! I often use quick reply. My posts are not directed toward any specific person unless I mention them by name.

Re: 8 x 57 Necked Down to 7mm Jocko_Slugshot #8795537 04/20/14 Joined: Jun 2007 Posts: 29,786 Land of milk and honey...for s... J JSTUART Campfire Ranger JSTUART Campfire Ranger J Joined: Jun 2007 Posts: 29,786 Land of milk and honey...for s... Originally Posted by Jocko_Slugshot There was also a schweres Spitzgeschoss mit Eisenkern. I.E. Heavy pointed bullet with iron core. I'm not sure if this bullet was manufactured as an armor-piercing round or if Germany was running short on lead, maybe both. That is an angle I had not considered before, if lead is too toxic to use in projectiles for hunting, why isn't Europe a desert? These are my opinions, feel free to disagree.

Re: 8 x 57 Necked Down to 7mm JSTUART #8799013 04/21/14 Joined: Mar 2005 Posts: 757 Mt,Va L leemar28 Campfire Regular leemar28 Campfire Regular L Joined: Mar 2005 Posts: 757 Mt,Va Not meaning to HiJack the thread.....What would you call the 7x57 necked up to 8mm ???? Hang on tight !

Re: 8 x 57 Necked Down to 7mm leemar28 #8799039 04/21/14 Joined: Dec 2003 Posts: 5,950 Michigan Big_Redhead Campfire Tracker Big_Redhead Campfire Tracker Joined: Dec 2003 Posts: 5,950 Michigan Originally Posted by leemar28 Not meaning to HiJack the thread.....What would you call the 7x57 necked up to 8mm ???? 8x7x57 8-7mm 8mm-7mm 8/7mm 8-7x57 8/7x57 Our God reigns. Harrumph!!! I often use quick reply. My posts are not directed toward any specific person unless I mention them by name.

Re: 8 x 57 Necked Down to 7mm Big_Redhead #8799213 04/21/14 Joined: Dec 2007 Posts: 340 Okla. P PS1080 Campfire Member PS1080 Campfire Member P Joined: Dec 2007 Posts: 340 Okla. Reading this thread made me curious. So I measured some case capacities using demineralized water. I didn't have 8x57 and 7x57 that were the same brand so the results don't mean much but are still interesting. I guess if you're looking for small gains in case capacity, case brand might be the place to look instead of changing case shape. Winchester 8x57mm = 60.8 grains Remington 7x57mm = 56.6 grains Privi 7x57mm = 60.3 grains Measured on Ohaus explorer Pro E2102C "He is one of the Legion lost." "You care for nothing but shooting, dogs, and rat- catching, and you will be a disgrace to yourself and all your family."

Re: 8 x 57 Necked Down to 7mm PS1080 #8801496 04/22/14 Joined: Nov 2003 Posts: 67,659 N. Central Florida, and Miami Mannlicher Campfire Kahuna Mannlicher Campfire Kahuna Joined: Nov 2003 Posts: 67,659 N. Central Florida, and Miami rifle loonies do some strange stuff, just because they want to try it. I don't see the reason to beat 'em up for it though. Sam......

Re: 8 x 57 Necked Down to 7mm Mannlicher #8803952 04/23/14 Joined: Feb 2001 Posts: 4,083 Yukon Territory, Canada Yukoner Campfire Tracker Yukoner Campfire Tracker Joined: Feb 2001 Posts: 4,083 Yukon Territory, Canada Yep! A fellow up here barrelled up a silhouette rifle to 6.5 on the 8x57 case. No changes other than reducing the neck diameter. Spent a lot of dough on the reamer and dies. A few guys wanted to know why he didn't just use the 6.5x55 case, as the case capacity was almost identical? He told them he did it just because he wanted to..... He won no small numbers of matches using it, too. Ted

Re: 8 x 57 Necked Down to 7mm Yukoner #8804222 04/23/14 Joined: Mar 2010 Posts: 666 SE Pennsylvania G Gunplummer Campfire Regular Gunplummer Campfire Regular G Joined: Mar 2010 Posts: 666 SE Pennsylvania On the 8mm bullet weights: Years back I used a new surplus MG-34 8x57 barrel on a sporter I was putting together. I had to go over 200 grains to get any accuracy out of it. Even 180 range bullets shot terrible. Anybody know if twist rates were different in those barrels?

Re: 8 x 57 Necked Down to 7mm JSTUART #8808521 04/25/14 Joined: Dec 2007 Posts: 509 Junee, NSW, Australia J johnfox Campfire Regular johnfox Campfire Regular J Joined: Dec 2007 Posts: 509 Junee, NSW, Australia Originally Posted by JSTUART Originally Posted by Jocko_Slugshot There was also a schweres Spitzgeschoss mit Eisenkern. I.E. Heavy pointed bullet with iron core. I'm not sure if this bullet was manufactured as an armor-piercing round or if Germany was running short on lead, maybe both. That is an angle I had not considered before, if lead is too toxic to use in projectiles for hunting, why isn't Europe a desert? Because very, very few Europeans think like Californian law makers. Last edited by johnfox; 04/25/14.

Re: 8 x 57 Necked Down to 7mm Mannlicher #8808599 04/25/14 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by Mannlicher rifle loonies do some strange stuff, just because they want to try it. I don't see the reason to beat 'em up for it though. Oh, I don't know. Being called a fool because you ask a question isn't really so bad!

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8808943 04/25/14 Joined: Feb 2001 Posts: 4,083 Yukon Territory, Canada Yukoner Campfire Tracker Yukoner Campfire Tracker Joined: Feb 2001 Posts: 4,083 Yukon Territory, Canada The ones adopting that attitude have never stood the two cartridges side by side to discover the considerable difference in shoulder position, and therefore case capacity. Rather than post a picture, let's let them do it! Participatory learning, as opposed to simple lecture, results in greater understanding and comprehension. Ted (With apologies. Haven't had breakfast yet!)

Re: 8 x 57 Necked Down to 7mm Bandukwallah #8814433 04/27/14 Joined: Nov 2005 Posts: 10,273 Ohio Armednfree Campfire Outfitter Armednfree Campfire Outfitter Joined: Nov 2005 Posts: 10,273 Ohio Don't make no dang sense, 7x57 is a long action anyway, just make it 280 Remington. The older I become the more I am convinced that the voice of honor in a man's heart is the voice of GOD.

Re: 8 x 57 Necked Down to 7mm Armednfree #8814682 04/27/14 Joined: Nov 2009 Posts: 3,927 De-tox J Jocko_Slugshot Campfire Tracker Jocko_Slugshot Campfire Tracker J Joined: Nov 2009 Posts: 3,927 De-tox Originally Posted by Armednfree Don't make no dang sense, 7x57 is a long action anyway, just make it 280 Remington. Amen Keep your gun-hand ready and your eyes peeled.

Re: 8 x 57 Necked Down to 7mm Jocko_Slugshot #8814969 04/27/14 Joined: Dec 2003 Posts: 5,950 Michigan Big_Redhead Campfire Tracker Big_Redhead Campfire Tracker Joined: Dec 2003 Posts: 5,950 Michigan Makes perfect sense to me. I prefer a 7x57 to a 280 Rem every day of the week, and twice on Sunday. Our God reigns. Harrumph!!! I often use quick reply. My posts are not directed toward any specific person unless I mention them by name.

Re: 8 x 57 Necked Down to 7mm Big_Redhead #8821734 04/29/14 Joined: Nov 2005 Posts: 10,273 Ohio Armednfree Campfire Outfitter Armednfree Campfire Outfitter Joined: Nov 2005 Posts: 10,273 Ohio Exactly. beyond nostalgia, what will a 7x57 do that a 280 won't? The older I become the more I am convinced that the voice of honor in a man's heart is the voice of GOD.

Re: 8 x 57 Necked Down to 7mm Armednfree #8823929 04/30/14 Joined: Feb 2007 Posts: 754 Port Chalmers, New Zealand C CarlsenHighway Campfire Regular CarlsenHighway Campfire Regular C Joined: Feb 2007 Posts: 754 Port Chalmers, New Zealand I once used to neck down 8x57 cases to 7x57 because I was short of brass. Works fine. Five pages of what's the big deal? "A person that carries a cat home by the tail will receive information that will always be useful to him." Mark Twain

Re: 8 x 57 Necked Down to 7mm RevMike #13743518 04/15/19 Joined: Dec 2012 Posts: 45 Helena, Montana A archeratlrg Campfire Greenhorn archeratlrg Campfire Greenhorn A Joined: Dec 2012 Posts: 45 Helena, Montana I know this is an older thread but I took the 8x57 case and opened up on the shoulder like the old Gibbs cartridges with a 40* shoulder so it a bit more that an Ackley. Then I chambered it from 6mm up through .375. in the 7mm version it outshoots my 280 Remington and almost up with my 280 Ackley, all out of an intermediate length Mauser. Couldn't be more happy with it. Call this the HSI (Hileman Super Improved) family. It's a wicked bunch of cartridges.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13743607 04/15/19 Joined: Feb 2012 Posts: 1,531 Central Texas Gulf Coast F Filaman Campfire Regular Filaman Campfire Regular F Joined: Feb 2012 Posts: 1,531 Central Texas Gulf Coast I have no clue what it is called. But I do know that I can't see from looking at the 7x57 cartridge dimensions and the 8x57 cartridge dimensions I can't agree there's that much difference in capacity. At least there's not enough to make it into anything close to a .280 Remington and especially not a .280 AI. As for my opinion, for any practical purposes the differences between an original 7x57 Mauser and making one out of an 8x57 case can be ignored. it might look great on paper but I bet in the real world they would be ballistic twins. Last edited by Filaman; 04/15/19. What goes up must come down, what goes around comes around, there's no free lunch. Trump's comin' back, get over it!

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13744266 04/15/19 Joined: Jan 2010 Posts: 948 cas6969 Campfire Regular cas6969 Campfire Regular Joined: Jan 2010 Posts: 948 "7857MMM" Like hotcakes.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13744380 04/15/19 Joined: Dec 2006 Posts: 28,172 Here Or There luv2safari Campfire Ranger luv2safari Campfire Ranger Joined: Dec 2006 Posts: 28,172 Here Or There Originally Posted by Bandukwallah Regarding the title: what cartridge results from necking down the 8x57 to 7mm and trimming back to 57mm with no other changes? No, it isn't the standard 7x57mm Mauser, since the shoulder length and angle are different. And it has probably 5% greater capacity than the 7x57 Mauser, and perhaps 13% greater capacity than the 7mm-08. Criminy... Why not just re-chamber to 7X57 AI and make it easy? Hunt with Class and Classics Religion: A founder of The Church of Spray and Pray Acquit v. t. To render a judgment in a murder case in San Francisco... EQUAL, adj. As bad as something else. Ambrose Bierce “The Devil's Dictionary”

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13744653 04/15/19 Joined: Feb 2001 Posts: 4,083 Yukon Territory, Canada Yukoner Campfire Tracker Yukoner Campfire Tracker Joined: Feb 2001 Posts: 4,083 Yukon Territory, Canada Because we are rifle loonies? Ted

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13744839 04/15/19 Joined: Mar 2008 Posts: 3,485 R RinB Campfire Tracker RinB Campfire Tracker R Joined: Mar 2008 Posts: 3,485 Name it the 7mm BS <hint> Last edited by RinB; 04/15/19. “Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away”. Antoine de Saint-Exupery. Posted by Brad.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13744965 04/15/19 Joined: Jul 2001 Posts: 60,049 Banana Belt, Montana M Mule Deer Campfire Kahuna Mule Deer Campfire Kahuna M Joined: Jul 2001 Posts: 60,049 Banana Belt, Montana Naw, the 7x57 isn't a Barsness-Sisk wildcat.... “Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13745171 04/15/19 Joined: Mar 2008 Posts: 3,485 R RinB Campfire Tracker RinB Campfire Tracker R Joined: Mar 2008 Posts: 3,485 I was thinking Big Stick Last edited by RinB; 04/15/19. “Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away”. Antoine de Saint-Exupery. Posted by Brad.

Re: 8 x 57 Necked Down to 7mm RinB #13745194 04/15/19 Joined: Jul 2001 Posts: 60,049 Banana Belt, Montana M Mule Deer Campfire Kahuna Mule Deer Campfire Kahuna M Joined: Jul 2001 Posts: 60,049 Banana Belt, Montana !!! “Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck

Re: 8 x 57 Necked Down to 7mm Armednfree #13745216 04/15/19 Joined: Sep 2010 Posts: 19,179 Southern Arkansas J jwall Campfire Ranger jwall Campfire Ranger J Joined: Sep 2010 Posts: 19,179 Southern Arkansas Originally Posted by Armednfree Exactly. beyond nostalgia, what will a 7x57 do that a 280 won't? Have a slower bullet traveling a higher arch in trajectory. No replacement for displacement. A larger powder tank (fuselage) has good usage. Jerry jwall- *** 3100 guy*** A Flat Trajectory is Never a Handicap Speed is Trajectory's Friend !!

Re: 8 x 57 Necked Down to 7mm jwall #13745292 04/15/19 Joined: May 2011 Posts: 56,243 Oregon Fireball2 Campfire Kahuna Fireball2 Campfire Kahuna Joined: May 2011 Posts: 56,243 Oregon 223 AI. _______________________________________________________ An 8 dollar driveway boy living in a T-111 shack LOL

Re: 8 x 57 Necked Down to 7mm Yukoner #13746613 04/16/19 Joined: Jun 2005 Posts: 12,294 Tucson AZ P PJGunner Campfire Outfitter PJGunner Campfire Outfitter P Joined: Jun 2005 Posts: 12,294 Tucson AZ Originally Posted by Yukoner The ones adopting that attitude have never stood the two cartridges side by side to discover the considerable difference in shoulder position, and therefore case capacity. Rather than post a picture, let's let them do it! Participatory learning, as opposed to simple lecture, results in greater understanding and comprehension. Ted (With apologies. Haven't had breakfast yet!) The 7x57 = 1.470" to the beginning of the shoulder. The 8x57 = 1.500" to the beginning of the shoulder. Both cartridge cases are 57MM in length. What was the question again???? Paul B. Our forefathers did not politely protest the British.They did not vote them out of office, nor did they impeach the king,march on the capitol or ask permission for their rights. ----------------They just shot them. MOLON LABE

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13746664 04/16/19 Joined: May 2017 Posts: 1,708 ND S Slope77 Campfire Regular Slope77 Campfire Regular S Joined: May 2017 Posts: 1,708 ND I don’t know Tamiflu is for influenza not stomach flu I think

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13746665 04/16/19 Joined: May 2017 Posts: 1,708 ND S Slope77 Campfire Regular Slope77 Campfire Regular S Joined: May 2017 Posts: 1,708 ND She was on fam room couch at lunch

Re: 8 x 57 Necked Down to 7mm PJGunner #13746871 04/16/19 Joined: Sep 2010 Posts: 19,179 Southern Arkansas J jwall Campfire Ranger jwall Campfire Ranger J Joined: Sep 2010 Posts: 19,179 Southern Arkansas Originally Posted by PJGunner The 7x57 = 1.470" to the beginning of the shoulder. The 8x57 = 1.500" to the beginning of the shoulder. Both cartridge cases are 57MM in length. What was the question again???? Paul B. Compare the O D at the bases and shoulders. UIM the 8mm is larger Around. Jerry jwall- *** 3100 guy*** A Flat Trajectory is Never a Handicap Speed is Trajectory's Friend !!

Re: 8 x 57 Necked Down to 7mm jwall #13749017 04/17/19 Joined: Sep 2010 Posts: 19,179 Southern Arkansas J jwall Campfire Ranger jwall Campfire Ranger J Joined: Sep 2010 Posts: 19,179 Southern Arkansas From Above ^^^^^^^^ "Compare the O D at the bases and shoulders. UIM the 8mm is larger Around." There is NOT as much diff as I thot. It looks a little larger due to the 8mm neck compared to 7mm neck. 7X57 - Base OD = .471 8X57 - Base OD = .469 7X57 - Shold OD = .431 8X57 - Shold OD = .434 Jerry jwall- *** 3100 guy*** A Flat Trajectory is Never a Handicap Speed is Trajectory's Friend !!

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13749118 04/17/19 Joined: Sep 2014 Posts: 3,444 wyoming S shootbrownelk Campfire Tracker shootbrownelk Campfire Tracker S Joined: Sep 2014 Posts: 3,444 wyoming Call it the 7mm/8mmx57 Creedmauser.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13749353 04/17/19 Joined: Jun 2004 Posts: 7,162 G greydog Campfire Tracker greydog Campfire Tracker G Joined: Jun 2004 Posts: 7,162 Might be better to simply stay with the 8mm bore and use 7mm bullets and a sabot. For extreme range, 6.5mm bullets in an appropriate sabot. Larger base area results in higher velocities, no bullet deformation from rifleing means a better and more consistent BC. Regardless of how it's done, there is little doubt this will be an exciting development. Before we jump right into it though, we might want to consider necking up the 6mm Remington instead. Has anyone given any thought to the 7.5x55 Swiss necked down to 7? GD

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13749374 04/17/19 Joined: Dec 2005 Posts: 10,252 Chassohowitzka, FL M Muffin Campfire Outfitter Muffin Campfire Outfitter M Joined: Dec 2005 Posts: 10,252 Chassohowitzka, FL Using the 8x57 case and resizing it to 7 probably makes as much sense as reducing a 284 bore to 277............... "...A man's rights rest in three boxes: the ballot box, the jury box and the cartridge box..." Frederick Douglass, 1867 ( . Y . )

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13749401 04/17/19 Joined: Sep 2004 Posts: 2,700 Lakewood, CO z1r Campfire Regular z1r Campfire Regular Joined: Sep 2004 Posts: 2,700 Lakewood, CO The only real difference between the 8x57 and 7x57 case is that the shoulder on the 8x57 is further forward by 0.099". It does then have additional case capacity. Enough to be worth the effort? Hard to say. I like the 7x57 as is. If the 7x57 is built on a standard length action, leade allowing, you can seat bullets out to a longer COAL and thereby increase the case capacity without resorting to any wildcat shenanigans. But if it scratches an itch you have, have at it! If I have the need for more capacity, I bust out the .280 AI.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13749576 04/17/19 Joined: Sep 2004 Posts: 1,800 The U.P.'s U.P. BullShooter Campfire Regular BullShooter Campfire Regular Joined: Sep 2004 Posts: 1,800 The U.P.'s U.P. Here are some maximum dimensions for the two cartridges according to CIP, with mm measurements converted to inches: Code 7x57 8x57 -------------- Rim Thickness: .0453 .0512 Rim Diameter: .4764 .4705 Head diameter: .4728 .4701 Shoulder dia: .4299 .4311 Shoulder length: 1.7260 1.8190 Shoulder angle: 20.90° 19.10° The 8x57 values were based on the 8x57 IS cartridge data. SAAMI values for the same cartridges differ a bit from CIP values. Most cartridges will have actual measurements less than those listed here. Using the approximate volume values in Ken Howell's cartridge book, the 8x57 case will have about 6% greater capacity. Name? Call it the 7mm Bandukwalla, or 280 or .284 Bandukwalla. With a British accent, it might be the 275 Bandukwalla. --Bob

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13749755 04/17/19 Joined: Oct 2007 Posts: 14,207 N.E.Wisconsin H Huntz Campfire Outfitter Huntz Campfire Outfitter H Joined: Oct 2007 Posts: 14,207 N.E.Wisconsin Its all right to be white!! Stupidity left unattended will run rampant Don't argue with stupid people, They will drag you down to their level and then win by experience

Re: 8 x 57 Necked Down to 7mm shootbrownelk #13750600 04/17/19 Joined: Jun 2006 Posts: 10,482 Western NY State 22250rem Campfire Outfitter 22250rem Campfire Outfitter Joined: Jun 2006 Posts: 10,482 Western NY State Originally Posted by shootbrownelk Call it the 7mm/8mmx57 Creedmauser. ........ Amazing that a "Creed" comment didn't show up until page 7...... While I was thinking Germanic stuff like 7mm Creedenscheutzen.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13751030 04/17/19 Joined: Dec 2002 Posts: 22,271 Back in Texas, for good! tex_n_cal Campfire Ranger tex_n_cal Campfire Ranger Joined: Dec 2002 Posts: 22,271 Back in Texas, for good! Darn, it coulda been the parent case for the .270 Ingwe... "...the designer of the .270 Ingwe cartridge!..."

Re: 8 x 57 Necked Down to 7mm BullShooter #13752396 04/18/19 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by BullShooter Here are some maximum dimensions for the two cartridges according to CIP, with mm measurements converted to inches: Code 7x57 8x57 -------------- Rim Thickness: .0453 .0512 Rim Diameter: .4764 .4705 Head diameter: .4728 .4701 Shoulder dia: .4299 .4311 Shoulder length: 1.7260 1.8190 Shoulder angle: 20.90° 19.10° The 8x57 values were based on the 8x57 IS cartridge data. SAAMI values for the same cartridges differ a bit from CIP values. Most cartridges will have actual measurements less than those listed here. Using the approximate volume values in Ken Howell's cartridge book, the 8x57 case will have about 6% greater capacity. Name? Call it the 7mm Bandukwalla, or 280 or .284 Bandukwalla. With a British accent, it might be the 275 Bandukwalla. --Bob I like the way you think; I'll call it the 275 Bandukwalla Last edited by Bandukwallah; 04/18/19. Reason: Spelling

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13752402 04/18/19 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by BullShooter Here are some maximum dimensions for the two cartridges according to CIP, with mm measurements converted to inches: Code 7x57 8x57 -------------- Rim Thickness: .0453 .0512 Rim Diameter: .4764 .4705 Head diameter: .4728 .4701 Shoulder dia: .4299 .4311 Shoulder length: 1.7260 1.8190 Shoulder angle: 20.90° 19.10° The 8x57 values were based on the 8x57 IS cartridge data. SAAMI values for the same cartridges differ a bit from CIP values. Most cartridges will have actual measurements less than those listed here. Using the approximate volume values in Ken Howell's cartridge book, the 8x57 case will have about 6% greater capacity. Name? Call it the 7mm Bandukwalla, or 280 or .284 Bandukwalla. With a British accent, it might be the 275 Bandukwalla. --Bob I like the way you think; I'll call it the 275 Bandukwalla

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13752670 04/18/19 Joined: Sep 2004 Posts: 1,800 The U.P.'s U.P. BullShooter Campfire Regular BullShooter Campfire Regular Joined: Sep 2004 Posts: 1,800 The U.P.'s U.P. Originally Posted by Bandukwallah I like the way you think; I'll call it the 275 Bandukwalla. B- Thank you. Thank you very much! --Bob

Re: 8 x 57 Necked Down to 7mm BullShooter #13752887 04/18/19 Joined: Sep 2010 Posts: 19,179 Southern Arkansas J jwall Campfire Ranger jwall Campfire Ranger J Joined: Sep 2010 Posts: 19,179 Southern Arkansas Is that you Elvis ? jwall- *** 3100 guy*** A Flat Trajectory is Never a Handicap Speed is Trajectory's Friend !!

Re: 8 x 57 Necked Down to 7mm RevMike #13753112 04/18/19 Joined: Nov 2007 Posts: 766 Charleston, SC P PreciousLiberty Campfire Regular PreciousLiberty Campfire Regular P Joined: Nov 2007 Posts: 766 Charleston, SC Originally Posted by RevMike Originally Posted by Bandukwallah Do I detect a hint of sarcasm in some of these replies? Nah, couldn't be; it must be my imagination. By my calculations, the 7mm/8mm Mauser (I just named it!) would have about the same capacity as the 7x57 Ackley Improved, or around 61.4 grs water. Contrast that with the standard 7x57 at 55.5 grs, and the 7mm/08 at 52.2 grs. That represents a 10% increase over the 7x57, and 17% increase over the 7-08. Help me out: If what you're proposing is virtually the same as the 7x57AI, then why wouldn't you just chamber a rifle in 7x57AI, use the 8x57 brass for forming (if need be), and be done with it? I'm not trying to be sarcastic, just trying to figure out what's new and improved over something virtually identical that already exists? Right, or he could join the 21st Century and just build a 7mm WSM, short action and all. (I'll be here all night, be sure to tip the waitress.)

Re: 8 x 57 Necked Down to 7mm RockyRaab #13759009 04/20/19 Joined: Sep 2006 Posts: 6,698 Minnesota W whelennut Campfire Tracker whelennut Campfire Tracker W Joined: Sep 2006 Posts: 6,698 Minnesota Originally Posted by RockyRaab Prepare to swoon: An 8x57 necked to 7mm Ackley tight neck fast twist heavy bullet 1000-yard one-holer. Did I miss any fads? Did you fit Creedmore in there,? I like to do my hunting BEFORE I pull the trigger! There is only one kind of dead, but there are many different kinds of wounded.

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13759038 04/20/19 Joined: Sep 2006 Posts: 6,698 Minnesota W whelennut Campfire Tracker whelennut Campfire Tracker W Joined: Sep 2006 Posts: 6,698 Minnesota I remember Jon R Sundra doing parallel studies on the 8x57. 8x57 JRS is what it shall be named. I like to do my hunting BEFORE I pull the trigger! There is only one kind of dead, but there are many different kinds of wounded.

Re: 8 x 57 Necked Down to 7mm jwall #13760236 04/21/19 Joined: Sep 2004 Posts: 1,800 The U.P.'s U.P. BullShooter Campfire Regular BullShooter Campfire Regular Joined: Sep 2004 Posts: 1,800 The U.P.'s U.P. Originally Posted by jwall Is that you Elvis ? jwall- Probably not. Elvis has left the building. --Bob

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13762881 04/22/19 Joined: Nov 2002 Posts: 1,075 Texas T Turk1961 Campfire Regular Turk1961 Campfire Regular T Joined: Nov 2002 Posts: 1,075 Texas I don't have a 8x57 but I do have three 7x57s. Does anyone know where I may buy Lapua 7x57 ammo or brass? No, well that is why I am thinking about buying 8x57 Lapua brass and running them thru a 7x57 die. That should work, right? NRA Life Member TSRA Life Member

Re: 8 x 57 Necked Down to 7mm Turk1961 #13763701 04/22/19 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord Originally Posted by Turk1961 I don't have a 8x57 but I do have three 7x57s. Does anyone know where I may buy Lapua 7x57 ammo or brass? No, well that is why I am thinking about buying 8x57 Lapua brass and running them thru a 7x57 die. That should work, right? It should work just fine

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13787436 05/02/19 Joined: Jun 2005 Posts: 844 Caroline du Nord B Bandukwallah OP Campfire Regular OP Bandukwallah Campfire Regular B Joined: Jun 2005 Posts: 844 Caroline du Nord I have designed a series of cartridges based on the .275 Bandukwallah. They are: 6x57 B; 6.5x57B; .275B (parent); 7.62x57B; .323B; .338x57B; 9x57B; 9.3x57B; 9.5x57B. No home is complete without one or more of these! Last edited by Bandukwallah; 05/03/19. Reason: Correct name of cartridge

Re: 8 x 57 Necked Down to 7mm Bandukwallah #13788185 05/02/19 Joined: Dec 2003 Posts: 4,057 Eastern Montana M montanabadger Campfire Tracker montanabadger Campfire Tracker M Joined: Dec 2003 Posts: 4,057 Eastern Montana 7mm WTF Rigby "Before you criticize someone, walk a mile in their shoes. That way, you'll be a mile from them, and you'll have their shoes."

Re: 8 x 57 Necked Down to 7mm Turk1961 #13790129 05/03/19 Joined: Feb 2003 Posts: 10,354 WA rain forest Clarkm Campfire Outfitter Clarkm Campfire Outfitter Joined: Feb 2003 Posts: 10,354 WA rain forest Originally Posted by Turk1961 I don't have a 8x57 but I do have three 7x57s. Does anyone know where I may buy Lapua 7x57 ammo or brass? No, well that is why I am thinking about buying 8x57 Lapua brass and running them thru a 7x57 die. That should work, right? Necking 308 Palma Lapua to 260, the necks need to be turned to fit in a chamber made with a standard reamer. Necking 8x57 Win brass to 7x57 and then to 257 Roberts, the necks do not to be turned for a standard reamer. There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway The man who makes no mistakes does not usually make anything.-- Edward John Phelps