The Rost Martin RM1FBLKOSP10CA is a striker-fired 9mm pistol with a black polymer frame and nitrocarburized steel slide, configured with a 10+1 round capacity. It features a 4.5-inch hammer-forged barrel and an optics-ready slide that includes an RMR-pattern optics plate. The pistol is equipped with iron sights consisting of a black serrated rear and a contrasting front dot for clear sight alignment. Overall, the RM1FBLKOSP10CA offers a modern, optics-ready handgun platform focused on practical performance. Its barrel length, sight system, and optics-compatible slide make it suitable for a variety of general-purpose shooting applications.