Rost Martin RM1S CA 9mm — 3.6" Subcompact, 10-Rd | California Compliant

Rost Martin RM1S CA — California-compliant 10-round subcompact with 3.6" match barrel, RMR cut, enhanced RGT grip, and two 10-rd magazines. Made in USA.

Key Features

• Caliber: 9mm Luger

• Barrel: 3.6" hammer-forged, crowned match barrel

• Capacity: 10+1 (two 10-rd magazines included) — California-compliant

• Optic-Ready: RMR cut standard; accepts common footprints

• Frame: Black polymer with increased RGT grit & surface area

• Slide: Nitrocarburized (Tenifer®-style) steel — durable & corrosion resistant

• Trigger: Flat-face trigger with extra-short reset, crisp sub-5 lb break

• Controls: Fully ambidextrous slide & magazine releases; manual safety

• Sights: White dot front / black serrated rear (co-witness capable)

• Accessory Rail: 2-slot Picatinny (lights/lasers)

• Magwell: Funneled for faster reloads; modular backstraps included

• Made in USA — $469 MSRP

Product Description

The Rost Martin RM1S CA 9mm (10-Round) is a purpose-built subcompact that balances concealability with match-grade features — configured to meet California capacity requirements. Built in Dallas, TX, the RM1S CA ships optic-ready with an RMR cut and includes two 10-round magazines for 10+1 capacity.

This compact platform pairs a crowned 3.6" hammer-forged match barrel with Rost Martin’s deep Responsive Grip Texture™ (RGT) for superior control on a small frame. A flat-face trigger with an extra-short reset and crisp sub-5 lb break delivers fast, consistent follow-ups. The RM1S features aggressive front/rear and non-glare top slide serrations, a funneled magwell, modular backstraps, textured index points, an undercut trigger guard, and an extended beavertail — all designed to help you drive the gun and manage recoil.

Optic-ready out of the box, the RM1S accepts popular red-dot footprints (adapter plates available from Rost Martin). With ambidextrous controls, a 2-slot Picatinny rail for lights, and a durable nitrocarburized slide, the RM1S CA is an ideal concealed-carry or backup pistol for shooters who want compact size without compromises.

Technical Specs

• UPC: 850067485162

• Type: Pistol: Semi-Automatic

• Model Series: RM1

• Model Specific: RM1S CA (10-Round)

• Caliber / Gauge: 9mm Luger

• Capacity: 10+1

• Barrel Length: 3.6 in. (hammer-forged, rifled, crowned match barrel)

• Overall Length: 7.1 in.

• Frame Material / Finish: Black Polymer (increased grip grit)

• Slide Material / Finish: Nitrocarburized Steel (Black)

• Front Sight: White Dot

• Rear Sight: Black Serrated

• Optic: RMR cut (optic-ready; adapter plates available)

• Trigger Pull: Flat-face trigger, extra-short reset, sub-5 lb (approx.)

• Controls: Fully Ambidextrous Slide & Magazine Releases; Manual Safety

• Grip Texture: Rost Martin Responsive Grip Texture (RGT) — deeper grit

• Accessory Rail: 2-Slot Picatinny (lights/lasers)

• Barrel Description: Hammer-Forged, Rifled, Crowned Match Barrel

• Finish: Black

• Weight (Unloaded): 21.1 oz (confirm with shipping spec if required)

• Magazine Count: 2 (two 10-rd magazines included)

• Included Accessories: Cable Trigger Lock, Owner’s Manual

• Safety: Manual Safety

• Country of Origin: USA (Made in Dallas, Texas)