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ProtoBarrel Mod Dedicated 22LR 5.5 - Thread Adapter
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Terrapin Tactical @Terrapin:1
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RELEASE // lbry // b1b5ffef30c649d1e3788d1…
Released December 26, 2025, 2:15 AM Indexed March 9, 2026, 1:09 AM 4.3MiB

Modified the AWCY? ProtoBarrel to be able to be made into a 5.5 inch barrel to keep our plastics nice and cool. There are options available to use the outer carbon fiber tube or not. This is the insertable thread adapter muzzle device, the best option for longevity.

LBRY Tags: 22lr; protobarrel; dear22; guncad; barrel

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    EOCD Analysis Pane
    • ProtoBarrel Mod Dedicated 22LR 5.5 +4
      • Images +2
        • ProtoBarrel Mod Dedicated 22LR 5.5.png 615.4KiB
        • ProtoBarrelGuide-ThreadAdapter.png 163.4KiB
      • ReadMe's +2
        • Proto-Barrel-Build-Guide-v1.1.pdf 4.2MiB
        • ReadMeOrNot.txt 4.3KiB
      • STEP +3
        • Proto Barrel - Modified Dedicated 22lr 5.5 NO OUTER TUBE.step 160.7KiB
        • Proto Barrel - Modified Dedicated 22LR Barrel Retainer 5.5.step 251.6KiB
        • Proto Barrel - Modified Muzzle Device Thread Adapter Insert 5.5.step 64.7KiB
      • STL +3
        • Proto Barrel - Modified Dedicated 22lr 5.5 NO OUTER TUBE.stl 264.9KiB
        • Proto Barrel - Modified Dedicated 22LR Barrel Retainer 5.5.stl 490.9KiB
        • Proto Barrel - Modified Muzzle Device Thread Adapter Insert 5.5.stl 296.3KiB
22 Long Rifle
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