Shadow Systems CR920X Foundation Micro-Compact Frame 9mm Luger 15+1 3.41" Black Nitride Match Grade Barrel, Black Nitride Optic Cut/Serrated/SS Logo Slide, Black Polymer Frame w/Beavertail & Picatinny Rail. The Shadow Systems CR920X is an ultra-thin, high-capacity version of the ShadowSystems CR920 pistol in 9mm Luger that shoots and handles like a full sized pistol. Features Shadow Systems" multi-footprint optic cut; aggressively textured frame; accessory rail fits small format weapon lights; compatible with G43X MOS holsters. Includes two 15 round flush fit magazines, three interchangeable backstraps and range bag.