when we were doing a lot of subgun work - mostly mp5's and mp5k's - we would train to hit the pelvic girdle this was some years ago. previous life the thinking was that if you shot up the pelvis and took out the bones keeping the body upright, they would be incapacitated that is, if you wanted to keep them alive never had the opportunity to test it, but being hit with half a dozen 9mm's in the pelvis and femurs sounds like a bad day plus, most body armor at the time stopped at the waist - so the hips are unprotected and hitting that silver dollar sized spot where the medulla is on a moving target is difficult
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