I concur with your decision Bing. I just think that using a .410 pistol on a raccoon/skunk/muskrat would be akin to taking down a mountain lion with a swiss army knife. Sure, it might be possible, but I don't want to be the guy who has to get close enough to find out.
"Forget pounds and ounces, I'm figuring displacement!"
If we accept that: MBG(+)FGSF(=)HBG(F1) And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1) Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT? PB answer: It depends.