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Rost Martin came out of Dallas swinging with the RM1 platform, and the RM1CX Comp is where the lineup gets fun. This is a striker-fired compact 9mm with a compensator built right into the slide, venting gas upward just past the front sight to fight muzzle rise. No pinned-on comp, no extra parts to fiddle with, just a flatter-shooting pistol straight out of the box. This version runs a 10+1 capacity and comes with two 10-round magazines, one flush fit and one extended.
The 4 inch hammer-forged match barrel wears a target crown, and the low bore axis does a lot of the recoil management before the comp even gets involved. The slide is nitrocarburized steel, so it shrugs off wear and moisture, and it comes cut for optics with a steel RMR-pattern plate included. Sights are a white dot up front with a serrated black rear, and anti-glare serrations run along the top of the slide. The flat-face trigger breaks around five pounds with a short reset that makes quick strings feel effortless.
Rost Martin's Responsive Grip Texturing is a graduated laser stippling that bites harder the tighter you squeeze without chewing up your palms or your cover garment. Modular backstraps dial in the grip size, the controls are fully ambidextrous, and textured index points above the trigger guard give your support thumb a place to drive the gun. A funneled magwell speeds up reloads, and the three-slot Picatinny rail takes all the popular lights. At 7.1 inches long, about 21 ounces, and a slim 1.1 inch grip, it carries like a Glock 19-sized pistol, which also means holster options are easy to find. Magazines share compatibility with the CZ P10C pattern, and the whole thing is made in the USA and backed by Rost Martin's lifetime warranty. For a newer name in the market, this pistol punches well above its weight.
It does. The port vents gas upward just ahead of the front sight, which cuts muzzle rise noticeably compared to a non-comped 9mm. Combined with the pistol's low bore axis, the sights settle back on target quicker, so follow-up shots come easier. Range reports on the comped RM1 platform consistently note how flat it shoots.
The slide comes optic ready with a steel RMR-pattern plate in the box, so any RMR-footprint dot bolts right on. Rost Martin also offers additional plates for other popular footprints like Docter, Leupold DeltaPoint Pro, and Shield patterns. That covers most of the common micro red dots on the market.
The RM1 platform shares magazine compatibility with the CZ P10C pattern, so spare mags are easy to come by. Sizing is very close to a Glock 19, and plenty of holster makers now list dedicated fits for the Rost Martin lineup. Many holsters cut for similar compact double-stacks work as well.
Rost Martin launched out of Dallas, Texas in late 2023, and the RM1 platform has earned a solid reputation quickly. Long-term published testing has run well over a thousand rounds through the platform with strong reliability results. Every pistol is made in the USA and backed by Rost Martin's lifetime warranty.
| UPC | 850089414065 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RM1XBC1 |
| Action | |
| Barrel Length | 4" |
| Caliber/Gauge | 9mm |
| Capacity | 10 + 1 |
| Safety | Trigger/Firing Pin/Integral Locking System |
| Slide Description | Optic Ready/Serrated |
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