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blowback
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  1. Gunsmithing
    After looking at some designs like P.A. Luty's submachine gun and the Orion's Hammer "AK pistol" I was wondering if it would be possible to make a straight blowback .410 shotgun. After all, the max. chamber pressure is only 13,500 psi as compared to 22lr, which is 24,000. One problem I could see...
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