The casing’s thin layer of polymer helps it to lessen the kind of friction that could cause jamming in a semi-automatic weapon, yet the modern material is formulated to prevent it from melting off in the chamber upon ignition. This round’s Berdan primer would make it an absolute pain to reload, but it is non-corrosive to make it safe for long-term storage.
This round’s 115 grain bullet is an FMJ -- a plain Jane bullet that offers good accuracy while keeping the bore cleaner than a pure lead bullet could. The curvature of this bullet’s profile won’t provide problems in a magazine-fed weapon, and delivers good impact energy.
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