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TheGoldenCaulk
Forgotten Weapons
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Comments by "TheGoldenCaulk" (@thegoldencaulk2742) on "Heym SR30: Straight Pull Ball-Bearing Lock?" video.
Ball-bearings seem like an extremely cost effective solution to the age-old problem of weak blowback homemade guns. I'm imagining a home-brew AR-15 with this system.
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