The 1791 Ultra Custom Light Bearing holster with Memory-Lok technology allows for a customized fit with Kydex like retention with the comfort of leather. The Ultra Custom comes with an innovative design that allows you to use rail-mounted accessories like larger lights and lasers. Once you receive it, follow the instructions, and mold the Memory-Lok Leather to a full custom fit for your firearm. You can't get any more custom than that. Compatible with Beretta 92, 92FS, 92X, M9; CZ 75/75B, P09, P10F; Canik TP9SF; H&K VP Tactical, VP40, HK 45, P30L, Mark 23, USP Tactical; FN FN5.7, FNX, FNS 40 Longslide, 9 Longslide; Ruger American, P85, P90, Security-9; Sig Sauer M17, P220, P226, P227, P228, P320, P320 Full Size, P320 Tacops, SP2022; Springfield XD Mod.2 4, XDM 3.8, XDM 4.5; Taurus TH9; Walther PDP 4.5", PPQ, PPQ Q4 Tactical, PPQ 45, WMP and similar frames with most rail mounted lights.