I carry a Gen4 Glock 19 and love it. I used to carry a RIA1911 in 45acp but i def prefer the Glock for weight and size. I carry in either a Uncle mikes leather or Black hawk Kydex, and usually carry one extra mag depending on where I am. I feel a 9mm with a P++ hollow point should dis-sway any would be attacker at least after the first few rounds, plus its ultra light and easy from someone my size to carry ( 5' 3" 135lbs).