Shadow Systems MR920 Foundation SS-1306-B Pistol 9mm Luger 4\" Barrel 15+1 Striker-Fired Optics-Ready, Black Nitride Slide.

The Shadow Systems MR920 Foundation Series SS-1306-B is a compact, striker-fired 9mm pistol built for reliability and practical versatility. Featuring Shadow Systems' proven textured polymer frame, this model comes equipped with a 4-inch match-grade, nitride-finished barrel that is rated for +P ammunition, and a black nitride slide with optic-ready, multi-footprint mounting cuts for direct installation of major red dot brands. The MR920 Foundation includes three interchangeable backstraps for grip customization and a carbon steel guide rod, delivering essential features in a user-friendly package. Optic-ready slide with multi-footprint mounting cut Match-grade barrel rated for +P ammunition Three interchangeable backstraps for tailored grip Designed to fit holsters compatible with the Glock 19 Gen4, the MR920 Foundation offers straightforward reliability and adaptability for everyday carry or range use. Its 15+1 round capacity and ergonomic polymer frame ensure dependable performance in a compact format.