The ATI Mil-Sport AR15 is a semi-automatic handgun that is chambered in 9mm with a capacity of 31+1.This model features a Lever safety. The barrel is Nitride treated and is 5.5" long. The anodized receiver is crafted from billet aluminum and is equipped with an A2 pistol grip. This pistol comes with a Picatinny rail and weighs only 100 oz.