Rost Martin(R) RM1C OSP is a compact striker-fired semi-automatic pistol chambered in 9mm Luger and supplied with 15-round and 17-round magazines. It features a 4 in barrel and an optics-ready slide for mounting a compatible reflex sight. This configuration features a gray polymer frame and black slide with ambidextrous controls for adaptable handling.Key Features Chambered in 9mm Luger 4 in barrel Includes 15-round and 17-round magazines Striker-fired semi-automatic operation Optics-ready OSP configuration Gray polymer frame with black slide Ambidextrous controlsRost 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.