Invention Grant
US09441930B2 Method of making lightweight polymer ammunition 有权
制造轻型聚合物弹药的方法

Method of making lightweight polymer ammunition
Abstract:
One embodiment of the present invention provides a method of making a polymeric ammunition cartridge having a substantially cylindrical metal primer insert, a substantially cylindrical polymeric middle body coupled to a substantially cylindrical open-ended polymeric bullet-end component.
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