What's 'gas check ' mean ?
#126951
01/26/2013 4:34 AM
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Aaron Proffitt
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Keep seeing the reference to 'gas check' ? And what's the benefit ?
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Re: What's 'gas check ' mean ?
[Re: Aaron Proffitt]
#126952
01/26/2013 4:39 AM
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Joined: Apr 2009
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Raptortrapper
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Can't help ya here. To me, it only means, "Am I using diesel or unleaded??"
A lot of people are like a slinky: Not much fun till you push them down the stairs!
Lifetime Member of the NRA! Wish I'd a done it sooner.
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Re: What's 'gas check ' mean ?
[Re: Aaron Proffitt]
#126954
01/26/2013 4:50 AM
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junebug
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It's a copper cover that crimps over the bottom of a cast bullet to prevent cutting or scoring on the bottom from the hot gasses when it is fired.
junebug
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Re: What's 'gas check ' mean ?
[Re: Raptortrapper]
#126956
01/26/2013 4:50 AM
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Joined: Jan 2004
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Stush
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Stush
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Re: What's 'gas check ' mean ?
[Re: junebug]
#126957
01/26/2013 4:51 AM
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Aaron Proffitt
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It's a copper cover that crimps over the bottom of a cast bullet to prevent cutting or scoring on the bottom from the hot gasses when it is fired. Is it really that critical , JB ?
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Re: What's 'gas check ' mean ?
[Re: Stush]
#126958
01/26/2013 4:53 AM
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Aaron Proffitt
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Perfect...thanks. Didn't even dawn on me to Google the damn term. Thanks again.
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Re: What's 'gas check ' mean ?
[Re: Aaron Proffitt]
#126960
01/26/2013 4:56 AM
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Posts: 279
Stush
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It's a copper cover that crimps over the bottom of a cast bullet to prevent cutting or scoring on the bottom from the hot gasses when it is fired. Is it really that critical , JB ? Depends upon the specific lead alloy being used and velocity. Once you've scrubbed a badly leaded barrel a time or two, the criticality of the gas check in certain situations becomes apparent.
Stush
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Re: What's 'gas check ' mean ?
[Re: Stush]
#126961
01/26/2013 4:58 AM
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Aaron Proffitt
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Thanks, Stush...give's me some material to work with.
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Re: What's 'gas check ' mean ?
[Re: Aaron Proffitt]
#126963
01/26/2013 5:18 AM
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Posts: 7,655
wapitirod
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depends on the gun and load too, and like stush said the material makes a difference. The softer the lead alloy the more prone it is to deformation. There is a school of thought that not using them causes them to act kind of like the hollow base conicals used in civil war muskets. I run all gas checks in my big mags but my 44 spcl I'm running a Cast Performance 255gr plain base and it's the most accurate bullet for that gun running on top of a full case of H110
I won't be wronged. I won't be insulted. I won't be laid a-hand on. I don't do these things to other people, and I require the same from them. John Wayne-The Shootist
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Re: What's 'gas check ' mean ?
[Re: wapitirod]
#126970
01/26/2013 5:52 AM
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Aaron Proffitt
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Rod/Stush, is it something that really bears considering ? I guess what I mean is if I'm shooting hard casts ; should they be 'gas check' ? Or am I talking two different animals here ?
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Re: What's 'gas check ' mean ?
[Re: Aaron Proffitt]
#126973
01/26/2013 6:49 AM
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Posts: 7,655
wapitirod
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try them both, the gas check also is supposed help seal the bullet in the barrel like a copper jacket and reduce leading but I'd decide on a bullet weight you want try and then get a box of each. CP offers most of their bullets in both and the difference in weight is only 5gr. I like CP and Trueshots from Oregon trail are my favorite as they have the hardest bullets on the market that I know with a Brinnel hardness of 24, most others are 21-22 which is still plenty hard. The biggest reason I like them is because I can crank them up in my rifles without leading issues. There was another post last week and alot of the guys like Beartooth and I know Dan B. likes the Penn bullets. I have no experience with Beartooth and I've only shot a handfull of 405gr Penns in my 45LC's so I couldn't give a good review one way or the other.
I won't be wronged. I won't be insulted. I won't be laid a-hand on. I don't do these things to other people, and I require the same from them. John Wayne-The Shootist
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Re: What's 'gas check ' mean ?
[Re: wapitirod]
#126978
01/26/2013 3:03 PM
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jamesfromjersey
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rapptor, "diesel or unleaded"....excellent
Life member-NRA-SCI Member-HHI #2900-HHASA #067 Colt-Ruger-Freedom Arms-and S&W Collector Assoc.s "I have more guns then I need but not as many as I want" "Handgun hunters HAVE to be good"
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Re: What's 'gas check ' mean ?
[Re: wapitirod]
#126979
01/26/2013 3:07 PM
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Posts: 386
campbellkids
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It does not come into play unless your molds are of gc type. Shooting gc type bullets without gc installed are irratic,spelling?, in most of my guns. Gc's are needed to seal and may prevent leading. I use them in rifles and contender calibers such as 30 herrett. They are essential in my 308, 6 mm, others. Without them, I have serious leading and terrible flyers. They are getting hard to find and expensive, making casting almost too expensive! That is ehy all my Shilohs and rolling blocks shoot a non-gc bullet.
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Re: What's 'gas check ' mean ?
[Re: campbellkids]
#126988
01/26/2013 4:15 PM
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Joined: Oct 2009
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junebug
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With speeds below 1500 ftps or so and a decently hard bullet you can get by without them .Push it harder and/or softer bullet and may get leading. Each barrel and firearm are different and some will lead at lower velocity than others,or shoot better with one over the other . Trying a few of both is the only way to know with your gun.
junebug
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Re: What's 'gas check ' mean ?
[Re: junebug]
#126991
01/26/2013 4:39 PM
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Aaron Proffitt
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Appreciate it,fellas. Great info.
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