Rost Martin(R) RM1CODGOSP10CA is a compact Semi-Auto pistol chambered in 9mm Luger with a 4 in. black match grade barrel and a 10+1 capacity. This RM1C CA compliant configuration features a black Nitron steel optic ready serrated slide and an OD Green polymer frame with a Picatinny rail. It includes ambidextrous controls interchangeable backstraps and RMR footprint optic compatibility for defensive carry and range use.Key Features9mm Luger chambering4 in. black match grade barrelBlack Nitron optic ready serrated steel slideOD Green polymer frame with Picatinny railRMR footprint optic compatibilityInterchangeable backstrap grip systemAmbidextrous controlsCA compliant 10+1 capacity configurationRost 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.