These are barrel inserts for more common 8mm seamless tubes and 9.5mm or 3/8 OD barrel liners.
BONK - .22/.25/.27 calibre survival rifle, GOPNIK - 3D printed hand cannon!, CUMFUCKER 2000 - 3D printed double barrel electrically primed shotgun.
304.6 KB
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Jul 4, 2022
2.8 MB
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Jun 13, 2022
18.7 MB
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Mar 6, 2022
1.3 MB
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Feb 14, 2022