So I already own a handfull of 9mm, .40, and .45 handguns. Glocks, Xd's, Sigs, 1911's. I'm just itching for another handgun for aboslutely no reason, and it makes sense to me to stick to one of those calibers. BUT...Im getting kinda curious about a 10mm Glock 20. I had an Uncle RIP that had...