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firing guns under water?

dd11dd11 Member Posts: 2 ✭✭
edited June 2002 in General Discussion
I was reading the one of the recent Glock threads... Here's the question... Can all revolvers and autos (using cartridges) be fired under water? I see it happen in movies, but always wondered if the pressure wave in the barrel could cause the barrel to burst.. As far as lack of oxygen during combustion, I guess that's not a problem, and there must be enough within the relatively watertight cartridge... ...I don't know...
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Comments

  • offerorofferor Member Posts: 8,625 ✭✭
    edited November -1
    There are guns, including Glocks, especially modified for underwater use. Don't ask me how they are modified. This makes me think that "normal" guns are not designed to perform well underwater.

    - Life NRA Member
    "If cowardly & dishonorable men shoot unarmed men with army guns, the evil must be prevented by the penitentiary...and not by general deprivation of constitutional privilege." - Arkansas Supreme Court, 1878
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  • Smokeeater 38Smokeeater 38 Member Posts: 2,735
    edited November -1
    Wouldn't the concussion from the shot damage your eardrums? I heard this someplace.
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  • Warpig883Warpig883 Member Posts: 6,459
    edited November -1
    I have fired many rounds out of an M16 under water with no malfunctions. I was firing blanks and the blank adapter was screwed on the end of the barrel tight.
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  • AlpineAlpine Member Posts: 15,092 ✭✭✭✭
    edited November -1
    Smokeeater 38: Yes. Water transfers sound much more efficently than air. There are cartridge based spearguns, but when you fire one the fish clear out of the area. I also have used shark darts based on 38 rounds. When you are forced to use one, your head is spinnig for hours, but it beats the alternative.
    And you don't just hear it, you feel in your chest and all over your body.

    "If you ain't got pictures, I wasn't there."

    Edited by - Alpine on 06/15/2002 10:18:31
    ?The problem with socialism is that you eventually run out of other people's money.?
    Margaret Thatcher

    "There are three kinds of lies: lies, damned lies and statistics."
    Mark Twain
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  • NighthawkNighthawk Member Posts: 12,022 ✭✭✭
    edited November -1
    The U.S.Military modified some Sig Sauer pistols to function under water for the Seal teams. A friend of mine told me it was more the cartridge than the gun.And it was done as a last resort not because of the sound to ear concusion,but because Enemy sonar could pick it up for miles.He says the knife is a Seals best friend on under water missions.

    Rugster
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  • TheguncounterkidTheguncounterkid Member Posts: 224 ✭✭✭
    edited November -1
    I know the glocks have a special kit you have to install for underwater use. I belive it has vents so water can travel around the firing pin, allowing the action to travel easier. There was some info on the in G&A a few months back. Not 100% sure, not into water all that much.
    -Kid
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  • v35v35 Member Posts: 12,710 ✭✭✭
    edited November -1
    The plastic firing pin cups are modified by filing a few grooves so water can bypass the cups. The factory will only sell them to LEOs.
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