The Optic Ready Paddle Holster 2.3 is designed to accommodate a wide range of firearms and will accommodate full size 1911s with full rails up to 5 in length. This holster features an open top design for quick draw, reinforced stitching to ensure quality and security, and a multi-fit design that&';s hand crafted to accommodate a wide range of firearms. It also includes an optic cut that accommodates most pistol optics. Compatible with 1911 4" & 5" with Full Rail; Beretta 92FS, M9; CZ P01, P10; Glock 17, 21, 22, 31, 34, 35, 40, 41; Rock Island 1911 5" TCM, TAC Ultra 5"; Ruger American; S&W M&P 45 Sig Sauer P220; Springfield XD9, XD40 and similar frames.