I'm 5'8"ish (closer to 9"), 145 lb, 28" waist pants, and I AIWB a P30LS with a carry comp, 140mm mag, X400UH, and ACRO P-2. I use a custom JMCK. A slick 5" 1911 should be pretty trivial with the right setup. It's just a question of holster, belt, and clothing choices.