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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Jan 2005
Posts: 38,867 |
What about shooting a gas-check design bullet without the gas check? Thanks.
Not a real member - just an ordinary guy who appreciates being able to hang around and say something once in awhile.
Happily Trapped In the Past (Thanks, Joe)
Not only a less than minimally educated person, but stupid and out of touch as well.
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Campfire Ranger
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Campfire Ranger
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depends on how fast and the powder used.
Could increase leading.
May affect accuracy.
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Joined: Nov 2005
Posts: 23,090
Campfire Ranger
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Campfire Ranger
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What he said. Don't expect to set the world on fire though (but you might). It's always interesting to read reports of those who swim against the tide.
"You can lead a man to logic, but you cannot make him think." Joe Harz "Always certain, often right." Keith McCafferty
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Campfire Outfitter
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Campfire Outfitter
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wrap it in cotton paper, then lube size and shoot. Paper patching works.If not keep under about 1000 fps and and it might shoot fine
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Joined: Mar 2010
Posts: 10,896
Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2010
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I've shot em in an old Mod 70 308 without issue as a reduced plinking load,, always worked fine.
You better be afraid of a ghost!!
"Woody you were baptized in prop wash"..crossfireoops
Woody
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Joined: Jan 2001
Posts: 21,317
Campfire Ranger
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Campfire Ranger
Joined: Jan 2001
Posts: 21,317 |
As with all things cast, it depends. If you're looking for top accuracy and want to prevent leading for high pressure loads, then use the gas check. For mild plinking loads, it should be fine without. I've always used gas checks on gas check design molds, but that's because I've had a suitable plane base mold to use.
For bullets that have several driving bands, they should stabilize w/o the gas check. But a bullet with short driving bands w/o the gas check it might cause accuracy problems.
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Joined: Jan 2005
Posts: 38,867
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Jan 2005
Posts: 38,867 |
Thanks for the responses - all appreciated.
Not a real member - just an ordinary guy who appreciates being able to hang around and say something once in awhile.
Happily Trapped In the Past (Thanks, Joe)
Not only a less than minimally educated person, but stupid and out of touch as well.
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Joined: Dec 2002
Posts: 6,929
Campfire Tracker
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Campfire Tracker
Joined: Dec 2002
Posts: 6,929 |
If you do it you will gas-cut the bases, have horrible accuracy, and within 10 shots the gas-cutting will cause so much leading that the grooves will fill up and the bore size will effectively be reduced and your gun will explode. I know this because I heard it at a gun shop. Let anyone with ears to hear, listen.
Selmer "Daddy, can you sometime maybe please go shoot a water buffalo so we can have that for supper? Please? And can I come along? Does it taste like deer?" - my 3-year old daughter
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Joined: Mar 2010
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Campfire Outfitter
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Campfire Outfitter
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If you do it you will gas-cut the bases, have horrible accuracy, and within 10 shots the gas-cutting will cause so much leading that the grooves will fill up and the bore size will effectively be reduced and your gun will explode. I know this because I heard it at a gun shop. Let anyone with ears to hear, listen. Then it must be gospel..
You better be afraid of a ghost!!
"Woody you were baptized in prop wash"..crossfireoops
Woody
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Joined: Dec 2015
Posts: 292
Campfire Member
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Campfire Member
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Posts: 292 |
If you do it you will gas-cut the bases, have horrible accuracy, and within 10 shots the gas-cutting will cause so much leading that the grooves will fill up and the bore size will effectively be reduced and your gun will explode. I know this because I heard it at a gun shop. Let anyone with ears to hear, listen. Then it must be gospel.. BWAAAA-HAAAW-HAWW!!!
A gun in hand is worth two cops on the phone. MOLON LABE LET'S GO BRANDON!!
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Joined: Mar 2010
Posts: 126
Campfire Member
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Campfire Member
Joined: Mar 2010
Posts: 126 |
I shoot both the Lee 150 & 170 gr. RNFP bullets sized to .310 in my old pump 30-30 with the GC left off. I just give them a couple coats of Alox/JPW lube and keep the velocity at 1300 fps. or less and there very accurate and have never leaded the bore. I've also shot several GC 38 cal. pistol bullets as well the the GC left of and kept them at 38 or +P velocity and they shot fine as well.
I just use a GC on the bullet when it's really necessary and or accuracy really benefits.
Artisan in Lead, bullets and powder
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Campfire Tracker
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Campfire Tracker
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If you do it you will gas-cut the bases, have horrible accuracy, and within 10 shots the gas-cutting will cause so much leading that the grooves will fill up and the bore size will effectively be reduced and your gun will explode. I know this because I heard it at a gun shop. Let anyone with ears to hear, listen. Then it must be gospel.. Ha! I shoot the RCBS 45 405 GC bullet without gas checks and 30:1 alloy all the time with 45-70 black powder loads. No leading whatsoever, but I'll post picks when my Ballard explodes
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Joined: Sep 2006
Posts: 6,698
Campfire Tracker
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Campfire Tracker
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Just a wild guess but it would make a difference what the hardness of your alloy is and the velocity that you push them at.
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.
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Campfire Regular
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Campfire Regular
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I tried 8x57 175 gr gas check design without checks and got mediocre performance, even at lower velocity (1600-1700). The exact same bullet and load with gas checks shot very well. The allow was approximately 12 BHN. I honestly can't remember if I got leading or if the accuracy was just not there, it's been awhile. Not very scientific but those were my results.
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Joined: Apr 2013
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Campfire Regular
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Campfire Regular
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In a rifle, gas checks help muchly with accuracy for higher pressure loads, but for low pressure plinkers, it's cheaper to buy a different mold than to buy the damn gas checks these days. Coated FB bullets work well at 30-30 speeds.
"Supernatural divinities are the primitive's answer to why the sun goes down at night..."
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Joined: Oct 2005
Posts: 16,000
Campfire Ranger
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Campfire Ranger
Joined: Oct 2005
Posts: 16,000 |
If you do it you will gas-cut the bases, have horrible accuracy, and within 10 shots the gas-cutting will cause so much leading that the grooves will fill up and the bore size will effectively be reduced and your gun will explode. I know this because I heard it at a gun shop. Let anyone with ears to hear, listen. that kind of what a former friend of mine kept telling me that you can't run a lead bullet past 1000fps without leading.
THE BIRTH PLACE OF GERONIMO
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Joined: Oct 2005
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Campfire Ranger
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Campfire Ranger
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screwing around i also powder coated some bullets designed for a gas check and had zero issues.
THE BIRTH PLACE OF GERONIMO
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Campfire Regular
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Campfire Regular
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JSH that much velocity with a plain base bullet (GS shank or no) is really pushing it. Usually about 1400 is the top end for most non checked bullets in my experience. Muddy
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Joined: Apr 2013
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Campfire Regular
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Campfire Regular
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JSH that much velocity with a plain base bullet (GS shank or no) is really pushing it. Usually about 1400 is the top end for most non checked bullets in my experience. Muddy Powder coating will raise that and get past the leading issue, but there will be an accuracy ceiling depending on velocity and caliber. I'd try a double powder coat and an extra thou larger when sizing and see what happens in your rifle...likely nothing out of the ordinary and better than lubed lead.
"Supernatural divinities are the primitive's answer to why the sun goes down at night..."
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Joined: Feb 2010
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Campfire Ranger
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Campfire Ranger
Joined: Feb 2010
Posts: 17,810 |
I have shot gas check design bullets without the gas check with no problems as long as you keep the velocity within reasonable limits.
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