The Optic Ready Paddle BH2.1 holster is best suited for Mid-Frame and Sub Compact Firearms with barrels in the 3.5 to 4 inch range. Includes an added Optic Cut to accommodate most pistol optics. Additionally"" the sweat guard will protect your gun from tarnishing and will act as a comfortable barrier between you and your hammer preventing any gouging into your side. The BH2.1 comes in a variety of colors to match your gun and attire. The paddle is adjustable and allows for quick on and off while ensuring proper retention.