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#8814682 - 04/27/14 Re: 8 x 57 Necked Down to 7mm [Re: Armednfree]  
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Jocko_Slugshot Offline
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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.
300 BP

#8814969 - 04/27/14 Re: 8 x 57 Necked Down to 7mm [Re: Jocko_Slugshot]  
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Big_Redhead Offline
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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.
#8821734 - 04/29/14 Re: 8 x 57 Necked Down to 7mm [Re: Big_Redhead]  
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Armednfree Offline
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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.
#8823929 - 04/30/14 Re: 8 x 57 Necked Down to 7mm [Re: Armednfree]  
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CarlsenHighway Offline
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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
#13743518 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: RevMike]  
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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.

Alpha

#13743607 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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Filaman Offline
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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 won get over it!
#13744266 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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cas6969 Offline
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"7857MMM"


Like hotcakes.

#13744380 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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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

"Doing nothing is hard. You never know when you're done"

“If there's anything more important than my ego around, I want it caught and shot now.”





#13744653 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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Yukoner Offline
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Because we are rifle loonies? grin

Ted

#13744839 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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RinB Offline
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Name it the 7mm BS

<hint>

Last edited by RinB; 04/15/19.

Jack & Warren had it figured out in the 60’s!
Bravo

#13744965 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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Mule Deer Online content
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Naw, the 7x57 isn't a Barsness-Sisk wildcat....


John

"Gunwriters, as you know, aren't as informed as their readers are and if it wasn't for the readers, there would be no need for writers..."--Shrapnel, May 2015
#13745171 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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RinB Offline
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I was thinking Big Stick

Last edited by RinB; 04/15/19.

Jack & Warren had it figured out in the 60’s!
#13745194 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: RinB]  
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Mule Deer Online content
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!!!


John

"Gunwriters, as you know, aren't as informed as their readers are and if it wasn't for the readers, there would be no need for writers..."--Shrapnel, May 2015
#13745216 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: Armednfree]  
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jwall Online content
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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

I choose to be OVER gunned.
#13745292 - 04/15/19 Re: 8 x 57 Necked Down to 7mm [Re: jwall]  
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223 AI.


_______________________________________________________
Molon labe bitches

The world has gone completely crazy, starting with most of you!

Intolerance is about to become very popular. I'm ahead of the curve.

#13746613 - 04/16/19 Re: 8 x 57 Necked Down to 7mm [Re: Yukoner]  
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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. wink

Ted
(With apologies. Haven't had breakfast yet!) grin


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
#13746664 - 04/16/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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Slope77 Offline
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I don’t know

Tamiflu is for influenza not stomach flu I think

#13746665 - 04/16/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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Slope77 Offline
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She was on fam room couch at lunch

#13746871 - 04/16/19 Re: 8 x 57 Necked Down to 7mm [Re: PJGunner]  
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jwall Online content
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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

I choose to be OVER gunned.
#13749017 - 04/17/19 Re: 8 x 57 Necked Down to 7mm [Re: jwall]  
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jwall Online content
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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

I choose to be OVER gunned.
#13749118 - 04/17/19 Re: 8 x 57 Necked Down to 7mm [Re: Bandukwallah]  
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shootbrownelk Offline
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Call it the 7mm/8mmx57 Creedmauser.

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