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Rost Martin built its reputation on packing a lot of gun into an approachable price point, and the RM1F is the full-size answer to that mission. The RM1 family now spans subcompact, compact, and full-size, and the RM1F sits at the top of that lineup with a longer 4.5-inch cold hammer-forged match barrel and a grip that fills your hand the way a full-size pistol should.
The slide is nitrocarburized steel with deep front and rear serrations, anti-glare machining across the top, and a cut that ships with an RMR footprint adapter plate already in the box. If you want to run a different optic footprint, additional plates are available directly from Rost Martin. Sights are a white dot front with a black serrated rear, so you have a usable iron sight picture right out of the gate whether or not you choose to mount an optic.
The frame is where Rost Martin really earns points on ergonomics. The Responsive Grip Texture (RGT) is a proprietary graduated laser stippling that grips back harder the more pressure you apply, which sounds like marketing speak until you actually get your hands on it. Three interchangeable backstraps let you tune the fit to your hand, and the extended beavertail, undercut trigger guard, and textured index points on the frame all work together to help you manage recoil and keep control shot to shot. The flat-faced trigger runs a Double Action Striker system at around 5 pounds with a short reset. Both the slide release and magazine release are fully ambidextrous, which is a genuine convenience for left-handed folks and makes administrative handling easier for everyone.
The frame also carries a standard Picatinny rail up front for lights and lasers, and the funneled magazine well makes reloads faster under any conditions. This pistol ships with one 17-round flush-fit magazine and one 19-round extended magazine, and it is backed by Rost Martin's lifetime warranty. Whether you are looking for a range gun, a home defense option, or a duty-ready platform you can personalize, the RM1F covers a lot of ground without asking you to compromise.
The RM1F ships with an RMR footprint adapter plate, so any optic built to the Trijicon RMR footprint mounts directly with no additional hardware. If you prefer a different red dot footprint, Rost Martin sells additional adapter plates through their website to cover other popular sight patterns.
Yes, this model (RM1FBLKOSP) ships with two magazines: a 17-round flush-fit magazine and a 19-round extended magazine. The flush mag keeps the grip profile clean for carry use, while the extended gives you two extra rounds and a bit more to hang onto during extended range sessions.
The RM1F frame has a standard three-slot Picatinny rail up front, so it accepts most popular pistol lights and laser units without any adapters. It is the same full-size rail found across the RM1 lineup and works with widely available accessories.
The RM1F uses Rost Martin's Double Action Striker (DAS) system with a flat-faced trigger and a pull weight of approximately 5 pounds. The flat face gives you a more consistent finger placement compared to a curved trigger, and the short reset is a noticeable benefit when shooting quickly.
No, the RM1F does not include an external manual safety. Like most modern striker-fired duty and carry pistols, it relies on passive internal safeties built into the trigger and firing mechanism. This is the standard configuration for this type of pistol and keeps the draw-to-fire process straightforward.
The standard RM1F (this model) comes with a 4.5-inch non-threaded barrel, standard-height iron sights, and 17 and 19-round magazines. The RM1F Tactical steps up with a longer threaded barrel for muzzle devices, suppressor-height sights, and a higher-capacity 24-round magazine. Both share the same frame ergonomics, ambi controls, and optics-ready slide.
| UPC | 850067485650 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RM1FBLKOSP |
| Action | |
| Barrel Length | 4.5" |
| Caliber/Gauge | 9mm |
| Capacity | 17 + 1 |
| Shipping Weight | 3.2 |
| Slide Description | Optic Ready/Serrated |
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