Rost Martin(R) RM1SBLKOSP10CA is a sub-compact Semi-Auto pistol chambered in 9mm Luger with a 3.6 in. match grade barrel and a 10+1 capacity. This RM1S configuration features a black Nitron steel slide with an integrated compensator optic ready serrations and a black polymer frame with a Picatinny rail along with interchangeable backstrap grips for a customizable fit. It supports RMR footprint optics and is designed for controlled performance in a compact carry platform.Key Features9mm Luger chambering3.6 in. match grade barrelIntegrated compensator for recoil reductionOptic ready serrated slideRMR footprint compatiblePolymer frame with Picatinny railInterchangeable backstrap gripsIncludes 2 detachable 10 rd. magazinesRost Martin(R) focuses on producing modern defensive firearms that combine reliability ergonomic design and practical performance features. The company emphasizes user-focused engineering with optics-ready platforms and adaptable controls. Rost Martin pistols are built to provide dependable operation for personal defense and range training applications.