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Thread: Underwater Pistol and Ammo

  1. #21
    Registered User sniperdoc's Avatar
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    Almost all movie props have duplicates,in case of loss or damage.

  2. #22
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    I got mine for a little under $1k about 10 years ago. It dosen't have "Greener Light Harpoon Gun" engraved on the side of the receiver which is one of the things that made me suspect it was parted together. On the other hand it doesn't say GP either. All of the other parts are original. Mine had some corrosion and had obviously spend some time on a boat so I cleaned it up and had robar renickel it.

    I made some really nice practice 1lb blunt harpoons and even made indexed brass screws to hold the heads on(yep, I'm OCD). That was the mistake as the screws bent or sheared on the first or second shot. I have some spare tubing and thought of putting some vent holes near the rear or the harpoon to vent some of the gas to the side, but haven't ever got around to it. As the harpoon slides over the barrel ala a spigot mortar, when it uncorks the entire muzzle blast goes straight to the rear into your face. Glasses are a must but your cheeks still get peppered with unburnt powder. That take a bunch of the fun out of it.

    Target Practice


    Note the black eyes full of hate
    Last edited by Rob1928; 07-16-2017 at 12:27 AM.

  3. #23
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    Robert1928 I got mine for a little under $1k about 10 years ago.


    Nice gun.
    Yeah know guys I kinda forgot how cool these particular things were.
    Even after owning a Scuba Pro spear gun and seeing them on that show.
    Thanks another thing to waste my money on.

    RIch

  4. #24
    Registered User rybread's Avatar
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    Thanks Rob. "If a seal had the chance, he'd eat you and everyone you care about" vicious little beasts! Also, no need to hunt one of these down give user reviews. I guess I'd make my own before buying one, for much less!

  5. #25
    Registered User sniperdoc's Avatar
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    When I was in the Navy,I bought a speargun for fishing.
    It was fun,but I sold it because I didn't need it any more.
    I've tried bowfishing, but I'd rather be in the water.
    I'm sure I could find a cheap speargun online and it would work, but I'm wanting a cartridge powered underwater pistol.

  6. #26
    Registered User sniperdoc's Avatar
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    Ok,after some research and testing, it seems sabots are going to be the most difficult part of this endeavor.
    I may have to melt plastic, pour it into a bullet mold,drill a hole through it,and split it,then make a separate base (possibly wax).
    I made a few prototypes with wooden sabots,just to get an idea of what I want to do,but obviously this won't work for underwater use.

  7. #27
    Registered User sniperdoc's Avatar
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    Any weird obscure laws I need to be aware of on this?

  8. #28
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    Have you tried 3-D printing sabots? Lots of places online will print things for you so you don't even need a printer of your own.

    As far as "gun laws" I don't think any address shooting underwater, on a Fed level at least. However your local fishing regs may have something to say about it. Also be aware the concussion from shooting underwater is amplified by the water.

  9. #29
    Registered User sniperdoc's Avatar
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    Quote Originally Posted by slimshady View Post
    Have you tried 3-D printing sabots? Lots of places online will print things for you so you don't even need a printer of your own.

    As far as "gun laws" I don't think any address shooting underwater, on a Fed level at least. However your local fishing regs may have something to say about it. Also be aware the concussion from shooting underwater is amplified by the water.
    I will look into having a few printed (don't have my own yet)
    Legal question is more about the type projectile (will probably use steel rod)
    Yes,shooting underwater is different than on land for sure

  10. #30
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    Only law I can think of that would affect a steel rod is maybe the armor piercing handgun ammo law. Steel bullets are verboten. As are several other substances: "tungsten alloys, steel, iron, brass, bronze, beryllium copper, or depleted uranium".

  11. #31
    Registered User sniperdoc's Avatar
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    Quote Originally Posted by slimshady View Post
    Only law I can think of that would affect a steel rod is maybe the armor piercing handgun ammo law. Steel bullets are verboten. As are several other substances: "tungsten alloys, steel, iron, brass, bronze, beryllium copper, or depleted uranium".
    That's what I have concerns about. Not sure if there's a way to get an exception for "specific use" ammo.
    Wasn't there a company that got permission to make/sell bronze Hollow Points a few years back? IIRC, Taurus imported or sold it.

  12. #32
    Registered User sniperdoc's Avatar
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    If I use 410 shotgun shells, maybe that will avoid any problems

  13. #33
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    If you made it for a .410ga shotgun, then you wouldn't run afoul of the "designed as a handgun cartridge" rule since it's designed to be a shotgun cartridge.
    Just because you can use a .410 slug in a Judge doesn't mean that .410 slug was meant for handgun use.

    I was envisioning a sidewinder missile shape, with the base fins fitting into a biodegradable breakaway cup for propulsion while the front fins double as hooks and a way to maintain alignment in the bore.
    Both sets of fins could have a slight twist for better stability in water, in lieu of engaging a properly rifled barrel.

  14. #34
    Registered User sniperdoc's Avatar
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    Quote Originally Posted by West_Texas_King View Post
    If you made it for a .410ga shotgun, then you wouldn't run afoul of the "designed as a handgun cartridge" rule since it's designed to be a shotgun cartridge.
    Just because you can use a .410 slug in a Judge doesn't mean that .410 slug was meant for handgun use.

    I was envisioning a sidewinder missile shape, with the base fins fitting into a biodegradable breakaway cup for propulsion while the front fins double as hooks and a way to maintain alignment in the bore.
    Both sets of fins could have a slight twist for better stability in water, in lieu of engaging a properly rifled barrel.
    That's a pretty sophisticated design idea!
    I was thinking of using a long sabot for alignment.
    The sabot would provide spin, but the Russian and HK Underwater Pistols were/are smoothbore, IIRC

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    I don't think a long rod travelling underwater needs much if any spin. One way to get around the ban on certain bullet metals is to use copper. You can buy copper rods from a metal supply, and it isn't on the list. Kinda soft, but for a single use not an issue.

  16. #36
    Registered User sniperdoc's Avatar
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    Copper would probably work.
    Spear guns don't require spin,and they are quite accurate, but the projectile is much bigger than what I have in mind.

  17. #37
    Registered User sniperdoc's Avatar
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    Since the "projectiles" will not be attached to the weapon like they are with spearguns, they will be expendable, therefore I will want them to be inexpensive and easily manufactured. In all honesty, a large nail with the head removed would probably suffice.

  18. #38
    Registered User sniperdoc's Avatar
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    Just a thought (til I try it), but I may be able to use a 2" dart and a combination sabot/was that will fire from a 3" 410 shell. If this works, it would allow use in a Taurus Judge!
    I'd prefer a longer dart,but a 5 shot underwater revolver has a certain appeal of it's own.

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