发明申请
US20080173168A1 Short Recoil Semi-Automatic Shotgun 失效
短回收半自动霰弹枪

Short Recoil Semi-Automatic Shotgun
摘要:
A smooth-bore barrel semi-automatic shotgun include a frame comprising a breech. A barrel is slidingly mounted on the frame relative to the breech. A slide-bolt assembly, which slides relative to the breech, is adapted to close the barrel. A friction spring opposes the barrel's sliding movement relative to the frame.
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