BLACKHAWK Ambidextrous Multi-Use Holster with Magazine Pouch, Size 05, Fits 3.75 - 4.5 Barrel Large Autos, Black 40AM05BK This versatile, fully ambidextrous holster gives you the option of belt-mounted or inside-the-pants configurations. Fits belts up to 1.75" wide in a traditional vertical position and fits belts up to 1.5" wide in horizontal position (middle of the back). Includes a spare magazine pouch with adjustable retention flap.