Rost Martin RM1C Comp 9mm 4-Inch CA Handgun

The Rost Martin RM1C Comp is a California-compliant 9mm handgun designed around a 4-inch match barrel and integral compensator. Its optic-ready slide, ambidextrous controls, modular backstraps, and textured frame features support a secure, adaptable fit for range use and everyday handling.

The black configuration includes a nitrocarburized steel slide, black polymer frame, flat-face trigger, slide-top anti-glare serrations, deep grip serrations, an extended beavertail, and an undercut trigger guard. The package includes an RMR optic plate, three backstraps, and two magazines.

Key Specifications

• The chambering is 9mm for use with compatible 9mm ammunition.
• The match barrel measures 4 inches.
• The slide incorporates an integral compensator to support recoil management.
• The handgun has an optic-ready slide with an included RMR optic plate.
• The frame finish is black polymer.
• The slide is made from nitrocarburized steel.
• The sight configuration includes a white-dot front sight and black serrated rear sight.
• The package includes two magazines.
• The grip system includes three modular backstraps for fit adjustment.
• The handgun features ambidextrous controls and textured index points on both sides of the frame.

With its compact format, match barrel, compensator, optic-ready design, and adaptable grip system, the RM1C Comp brings a well-considered feature set to the range. Its California-compliant configuration and included accessories make it a practical choice for shooters seeking a modern 9mm handgun with straightforward, performance-oriented details.

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