OP: Did you read the links from Shawn McCarver?, the posts by Cyphertext & MistWolf? Actual testing with real guns and real bullets? So if you did then why choose a shotgun? More recoil, Concussive effect, more difficult to fire follow up shot? I am not saying you are wrong, I just am trying to understand why when facts not opinions are presented, you seemed to follow opinion? Confusing. I hope neither you/your family ever have the need to defend yourself, and getting information on what may be the "safest" choice of defense is a good idea, but that still brings me back to facts VS opinion. Curiosity? Be Safe,

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I BACK OUR BLUE