2011's will get close to the capacity of the fn and a few 2011's will have 15-17 round mags. g21/41's have 13 round mags and adding a pierce extension gives 15 in the 45acp and 18 in g20/40's. i still WONT say i'm a 1911/2011 fan, but the double stacks of the 2011's keep calling me as i've...