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Old March 30, 2011, 09:18 PM   #1
atlctyslkr
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Firing Under Water

Let's just say you had to, do you think a concealed hammer would work better than a regular exposed hammer? A concealed hammer will be traveling through a pocket of air while the exposed hammer will be traveling through water possibly causing a misfire.
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Old March 30, 2011, 09:23 PM   #2
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I doubt there would be any difference related to the hammer design. You're assuming that a fully enclosed hammer design (such as the S&W 642) would be watertight. I wouldn't make that assumption.

I'd have greater concerns about the water in the barrel potentially causing issues... the bullet wouldn't be going too far anyway.
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Old March 30, 2011, 09:25 PM   #3
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But....but it works in the movies
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Old March 30, 2011, 09:26 PM   #4
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. . . . . and . . . you're going to keep water out of the barrel how? I am assuming that you are talking about the entire pistol being submerged? Perhaps a better question would be "why would a person want to do this?" Just curious . . . maybe you can be more specific on the scenario?
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Old March 30, 2011, 09:27 PM   #5
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There are u-tubes on this. As Techno said they do not go very far.
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Old March 30, 2011, 09:38 PM   #6
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I don't think any of my handguns would fail to fire, except my P.O.S. Taurus .380. ...Not because it's a Taurus, but because of the striker design. I suspect it would act like a hydraulic cylinder (difficult to explain - just the way it's designed), and slow the striker's movement to the point of not having enough inertia to fire. (It suffers from light strikes, when used with hard primers. Hindering striker speed any further would not be helpful.)
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Old March 30, 2011, 09:50 PM   #7
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Why would you want to shoot your revolver under water? We just used to drop grenades off the side of the boat. Works much better...
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Old March 30, 2011, 10:09 PM   #8
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Might try it with my RG40 in the pool later this summer. Results will be posted
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Old March 31, 2011, 12:45 AM   #9
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I've never really thought of it until now, but I reccon I gotta think about it now. A concealed hammer is just that, hidden, not water sealed. Provided spring strength is adequate, and the weapon has not be submerged for an extended period of time, it will fire. Then we have the obstruction in the barrel, water, that will impede velocity and certainly effect accuracy. If, and I mean if, accuracy is obtained, velocity may be nil. Best bet is if you have to, drag 'em up on shore and shoot 'em iffin you have to.
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Old March 31, 2011, 12:56 AM   #10
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The design of the hammer would have little to do with it since revolvers are not watertight, and water would get inside of either design. The gun would likely fire, since most guns will fire underwater. Semi-autos sometimes don't like to cycle, but a revolver would not have that problem. As per the Mythbuster's episode on the matter, the effective range of a bullet fired underwater is usually measured in inches, not yards.
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Old March 31, 2011, 01:02 AM   #11
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they well fire and the bullet well force the water out of the barrel but at a great loss of velocity and range as i would maybe go five feet or so
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Old March 31, 2011, 02:42 AM   #12
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http://www.hkpro.com/index.php?optio...apons&Itemid=5

Here's one already made ! And even a girl can shoot it !!
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Old March 31, 2011, 08:17 AM   #13
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Many years ago on the old Sea Hunt TV program, there was a scene where Lloyd Bridges was testing a Colt .45 auto under water. The gun worked fine. He was shooting at very close range and was hitting the target with no trouble.

That show was filmed at Silver Springs, FL in fresh water.
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Old March 31, 2011, 08:43 AM   #14
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I've read a number of articles on firing handguns underwater under the years, and apparently the LAST thing you want to do is keep water out of the barrel.

Apparently because of the much higher density of the water, if there is air in the barrel, there is a significant chance that you'll ring the barrel or even split it.
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Old March 31, 2011, 08:45 AM   #15
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Old March 31, 2011, 09:47 AM   #16
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Quote:
I've read a number of articles on firing handguns underwater under the years, and apparently the LAST thing you want to do is keep water out of the barrel.

Apparently because of the much higher density of the water, if there is air in the barrel, there is a significant chance that you'll ring the barrel or even split it.
+1
I read an article a BUNCH of years ago that discussed this very thing. I believe they were using a stainless Randall 1911, and, long story short, you MUST get ALL the water out of the barrel/gun, and if the ammo is sealed, the gun will fire. If there is any air in the barrel, it tended to act as a bore obstruction, with the expected results. It is also extremely deadly at relatively long distances. I think they were hampered by the length of the pool, but said it would be very easy to kill someone underwater, at a distance, if the whole apparatus was fully water filled. In fact, I think they said don't shoot it across your pool, as it would probably put a hole through the gunite wall of the pool.
It's a different story about bullets being shot into water from out of the water, IIRC. The impact of the water slows the bullet down more rapidly, and they lose their velocity very quickly.
The article might be "findable" on the net... I'll see what I can do with my limited access here at work..
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Old March 31, 2011, 10:22 AM   #17
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"you MUST get ALL the water out of the barrel/gun"

I think you mean you must get all of the AIR out of the barrel.


And I'm thinking the article you read was the one I read, and I think it was in Guns & Ammo in the late 1980s or early 1990s.
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Old March 31, 2011, 10:30 AM   #18
hornetguy
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yep... that's what I meant.

Clear ALL air out of barrel, making sure all parts are fully waterfilled.


Thanks for catching that. I'm gettin old...
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Old March 31, 2011, 11:05 AM   #19
Mike Irwin
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What? I can't hear you. My hearing aid crapped out again.
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Old April 2, 2011, 08:46 PM   #20
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Mike, you'd better get better waterproof batteries.
Interesting theories on both sides. Maybe I'll make my own underwater firing tests one day & dispel some of these myths.
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Old April 2, 2011, 08:49 PM   #21
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Quote:
a better question would be "why would a person want to do this?
SHARKS!! LOL!!
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Old April 2, 2011, 11:34 PM   #22
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A 1911 will go about six feet, and still have a lethal effect at 4 feet. You do have to have the firearm fully filled with water. It is best to have it just inches from your target. Before you fire it, give it a little shake.
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Old April 5, 2011, 01:14 AM   #23
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Sounds like a job for a Trigger fish!
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Old April 5, 2011, 01:51 AM   #24
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Well, at risk of proving myself an idiot instead of just sounding like one, a bud and I actually tried some "scientific" tests back in our younger, drunker, and dumber college days at my uncle's lake house. We stood in water up to our chest and submerged the guns completely, with one guy underwater watching through mask and snorkel.

Beretta 92 9mm- Finicky, doesn't like to fire underwater, many jams.

Glock 9 mm (I don't remember which one) - fired full mag, no jams

Ruger P89 9mm - fired full mag, no jams. *Interestingly, we also found out that the P89 will fire and cycle basically anything you can stick into it and close the slide on, 9x18, .380, whatever, it just doesn't care. The Beretta and Glock choked on anything but 9mm.

No apparent damage was done to any of the firearms or ourselves. By the way, it's wicked cool to watch a gun fire underwater, though I have to say "don't try this at home".


**** This has been almost 20 years ago and I'm much less adventurous now, no lectures needed ****
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Old April 5, 2011, 04:20 AM   #25
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could you imagine the noise under water?
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