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mod1

The M1 Underwater Defense Gun, also called the Underwater Defense Gun Mark 1 Mod 0, is an underwater firearm developed by the United States during the Cold War. Similar to other underwater firearms, it fires a special 4.25-inch (108 mm) metal dart as its projectile.

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Recent contents
  1. Roadpirate2322

    Radian Mod1 16 upper

      1. For Sale
    • $950
    • Albany
    • Oregon
    Less than 1k rounds fired. Got in trade. A few marks on rail couple mlok slots dinged SRC enhanced bolt carrier and bolt. Mlok rail covers. Radian raptor lt charging handle. AAC 3 prong flash hider. $950 ftf Albany $990 shipped
  2. malexandru

    MK18 CQBR MOD1 Upper Receiver Group (URG) *SOPMOD Block2 Clone*

      1. For Sale
    • $1000
    • Wilsonville
    • Oregon
    Near perfect - MK18 CQBR MOD1 Upper Receiver Group (URG) - No expense spared Only 200 rounds through the barrel - Several new components recently installed - I am the second owner of this piece Parts list - - Colt M4 Upper Receiver Keyhole Cerro Forged (Like New Old Stock - some salt from...
  3. D

    Leupold Mark AR Mod1 3-9x40 MilDot

      1. For Sale
      2. For Trade
    • $235
    • Sandy
    • Oregon
    Looking to switch out my black band for a gold one. Interested only in trades for a VX-Freedom 3-9x40 rim fire moa, TMR or tri-moa reticle. I’ll sell for $235. I’ll ship for an additional $10. I also have a Leupold Mark 2 IMS 30mm mount, I’ll sell that for $50. SOLD My scope will include the...
  4. ScarceResource

    PWS 11.85" MK111 MOD1 Complete Upper .223 Wylde

      1. For Sale
    • $800
    • Portland
    • Oregon
    Selling this as the complete upper, only. I didn't want to take all the accessories off just to take the picture (sorry!). I'll also include the original PWS muzzle device, not the HUXWRX one pictured. This upper uses PWS's long-stroke piston system (like an AK), which is great for suppressed...
  5. J

    Sold—MP5,SP5,AP5 GearHead Works folding arm adaptor with TailHook mod1 brace, POF reverse stretch

      1. For Sale
    • $275
    • Bellevue
    • Washington
    SOLD, thanks. For sale is an used, in nice condition, Gearhead works folding arm adaptor with the tailhook mod1 metal brace included. Locks up tight, very solid setup. GearHead Works MP5,SP5,AP5 folding arm adaptor with TailHook mod1 brace, built in buffer, sling loop and QD mount. The GHW...
  6. RobMa

    - SOLD - New CQBR Block II/MK18 MOD1 Upper - SOLD -

      1. For Sale
    • $999
    • Sea
    • Washington
    Sorry, this item has sold New CQBR Block II/MK18 MOD1 All new parts never fired. Daniel Defense MK18 FDE RIS rail (with FDE rail panels not the black ones that they come with now) Daniel Defense 10.3" barrel with pinned gas block Stainless steel gas tube Surefire 4-prong flash hider (not...
  7. RainMan_PNW

    Gearhead Works Tailhook Mod1

      1. For Sale
    • $100
    • La Center
    • Washington
    Buyer of the arm brace didn’t need this…Lightly used Tailhook Mod 1. Mounted and folded/opened a few times at home, but never left the house. Price is FTF near Portland or shipped. PM me if you’re interested.
  8. H

    Gear Head Works Tailhook Mod1 $84.99 on Springfield Armory's website (Regular price: $129.99)

    Hi all, I was shopping for a pistol brace and came across a GHW Tailhook Mod1 for $84.99 (Regular price: $129.99): https://store.springfield-armory.com/gear-head-works-tailhook-brace-mod-1/ They have another deal with tailhook and buffer tube for $98.98 (regular price $149.99)...
  9. Scotty B

    KAC SR15 E3 MOD1 Upper Receiver ***SPF***

      1. For Sale
    • $1500
    • Portland
    • Oregon
    KAC SR15 E3 MOD1 complete Upper Receiver and rail panel kit. In original box with manual.
  10. G

    KAC SR-15 E3 MOD1 upper 16" bbl

      1. For Sale
      2. For Trade
    • $1500
    • Clackamas
    • Oregon
    2nd owner, Original box. Previous owner and I both put just a few rounds to zero an optic, then put in the safe. Round count estimate is 200rds. Accurate and no issues with it, just funding another project. Pics added, PM for additional. Asking 1500 Possible trade interests: - Spuhr/MPA...
  11. localbrew

    BCM MOD1 Grip and BCM MOD0 Stock - New

      1. For Sale
    • $22
    • West Linn
    • Oregon
    Both are new un-opened. Grip - $22 Stock - $52
  12. W

    Gearhead Works Tailhook Mod1

      1. Want to Buy
    • Lyons
    • Oregon
    Looking to buy a GHW Tailhook Mod1, preferably in black. Don't care if its got blemishes or nicks. I got 110$ cash, and if you need a replacement brace. KAK brace.
  13. BlacktoyGlock

    Radian mod1 10.5in pistol in black

      1. For Sale
      2. For Trade
    • $2500
    • Des Moines
    • Washington
    WTS/WTT a Radian Mod 1 10.5in 5.56 AR pistol. This was built off of a Factory build kit. The Radian is Black. Barrel used Noveske 10.5in, Surefire closed tine muzzle device, Lmt buffer tube. H2 buffer with JP enhanced spring. SSA-E trigger. Swapped the forward assist for the Forward controls low...
  14. S

    PWS MK116 Mod0 - $1,500

      1. For Sale
    • $1500
    • Bellevue
    • Washington
    WTS: PWS MK116 Mod0 Price: $1500 Location: Renton/Bellevue Condition: About 1k Rds through it. Comes with Magpul MOE Stock, Grip, and MBUS sights. PWS’ MK116 is a 16-inch-barreled, 5.56mm carbine. Its barrel features six-groove rifling in a 1-in-8-inch twist rate. Capped with an FSC556...
  15. DRAGO71

    Gear Head Works TAILHOOK Pistol Brace MOD1

      1. For Sale
    • $98
    • Damascus
    • Oregon
    Gear Head Works TAILHOOK Pistol Brace MOD1
  16. DangerDog

    *SOLD* FALCON 37 HABU Mod1 Charging Handle

      1. For Sale
      2. For Trade
    • $30
    • Portland
    • Oregon
    Got this from Falcon 37 earlier this year to put on my AR pistol build, but I don't like it on the pistol build and I don't want to hold onto it so I'm selling it at a low price or a straight trade. Some signs of use but nothing that effects function. This is meant to be used if you run a scope...
  17. Wolfgangbridge

    Please Delete

      1. Want to Buy
      2. Want to Trade For
    • Salem
    • Oregon
    Please delete
  18. 556

    Knights Armament Lower

      1. For Sale
    • $500
    • Molalla
    • Oregon
    Knights Armament lower-sold!
  19. hammerstriker

    Black Hills 5.56 77gr OTM/Civilian MK262 MOD1

      1. For Sale
      2. For Trade
    • $50
    • Toledo
    • Oregon
    I got this thinking I was going get a MK12 SPR but have since moved on and no longer need it. 1 box of 50 Just like the one in the link. I'll post real pics ASAP. https://www.luckygunner.com/556x45-77-grain-sierra-open-tip-match-black-hills-50-rounds
  20. Mathias

    Springfield Armory XDS MOD1, 45acp, $300

      1. For Sale
    • $300
    • Tacoma
    • Washington
    Holster Queen, carried often fired less than 300 rounds. 7 mags- SA 5rd, 6rd, 3 7rd. 2 Pro Mag 10 rd. 3 holsters- Cytec IWB, 2 Minute Man, 1 RH, 1 LH OWB. 1 Clipdraw. Extra backstrap. Soft case. $375 you pay FFL your choice in Western Washington. Contact inbox. Thanks for looking.
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