Rost Martin RM1C Comp | 9mm | 4″ | 10+1

The Rost Martin RM1C Comp is an optic-ready, California-compliant 9mm semi-automatic pistol built around a 4″ match barrel with an integral compensator to manage felt recoil and support follow-up shots. The pistol includes an RMR optics plate and ships with two 10-round magazines and modular backstraps for a tailored grip. For shooters who want a red-dot that fits the factory footprint, a Trijicon RMR is a compatible option that pairs well with this platform.

Typical uses for the RM1C Comp include precision target work and competition shooting where controllability and quick sight acquisition are priorities.

Product Specifications

• The manufacturer is Rost Martin.
• The model is RM1C Comp.
• The caliber is 9mm.
• The barrel measures 4″ and is described as a match barrel.
• The slide features an integrated compensator, is optics-ready, and has serrations.
• The action is Double Action Only.
• The capacity is 10 + 1.
• The frame finish is Black polymer.
• The slide is finished in nitrocarburized steel.
• The trigger is a 5 pound Double Action Striker (DAS).
• The package includes two 10-round magazines.
• The pistol includes an RMR optics plate for mounting compatible red-dot sights.
• The overall length is 7.1″.
• The weight is 21.1 oz with flush magazine and 21.5 oz with extended magazine.
• The UPC is 850067485629.

Built to meet California roster requirements, the RM1C Comp combines a compact footprint with features aimed at controllability and rapid sight acquisition. The optic-ready slide and included RMR plate simplify mounting a reflex sight, while the compensator and textured controls help reduce recoil and support consistent shot placement. Ergonomic refinements such as modular backstraps, an extended beavertail, and ambidextrous controls make the platform adaptable for a range of hand sizes and shooting styles.

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