In the early '80's I shot a hostage taker w/my issued M15 loaded w/the +P FBI round. I hit the bad guy (BG) in the neck, chest & upper leg putting him down and saving the hostage, who had a large knife placed in his mouth by the BG before I fired from just beyond arms length. All I know is that the issued round did the job and saved both the victim & me.

I'm far from an expert but still carry the +P FBI round in my J frame b/c of my experience.

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Old Cop
LEO (Ret.)