Any caliber revolver or semi auto pistol, .22 LR or centerfire. Open sights and red dot sights are allowed. Ammunition: 30 rounds minimum. Competition: Shooting is at 25 yards, slow fire only, 10 rounds in 10 minutes, reload at will. This course of fire will be repeated 3 times on 3 separate targets. Target used is NRA official B-16 25 yd slow fire.