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military standard for lethality for projectiles

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is the full penetration of a 1" rough white pine board (not 3/4" finished, much less 1/2") or full penetration of 1/2" of exterior plywood and for bullets, the retained energy must be at least 60 ft lbs. The .22lr RIFLE just barely manages this at  150 yds. Depending upon the barrel length of a .22lr handgun, it might fail this standard at 1 meter, or it might pass it at 30m. but without modern med care, infection from a .22lr hit to your guts will probably result in your death (a week later, from infection) even at 200 yds. But a rib or the sternum, pack harness, heavy belt, all might well stop a .22 at such a distance.

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