Bolt-action firearm
作者： Rice Rienzi
DOI:
关键词: Cartridge 、 Shotgun 、 Lock (firearm) 、 Computer security 、 Action (philosophy) 、 Engineering
摘要: This invention relates in general to bolt action firearms and the objects of include provision a shotgun or like firearm which cartridges magazine are automatically inserted into breech gun by bolt, may be hand...
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