The Optic Ready Paddle BH1 holster is best suited for 1911's with up to half rails. Works best for 1911 over 4.25 inches. 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 BH1 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.