Rost Martin RM1F | 9mm Luger | 4.5in | RM1FBLKOSP

The RM1F is a full-size, optics-ready 9mm handgun built for consistent performance and controllable handling. It features a 4.5-inch hammer-forged match barrel, fully ambidextrous controls, and Rost Martin’s textured grip for positive purchase. The slide is cut for optics and ships with an RMR plate, making a compact red dot such as the Holosun 507C a practical pairing under $1000 for use at the range or in professional/duty contexts. Common applications for this configuration include everyday carry with a full-size platform and range training/qualification.

Product Specifications

• The manufacturer is Rost Martin.
• The model is RM1F.
• The manufacturer’s part number is RM1FBLKOSP.
• The caliber is listed as 9mm Luger.
• The barrel length is 4.5 inches.
• The barrel is described as a hammer-forged match barrel.
• The slide is described as optics-ready and includes an RMR plate.
• The controls are listed as fully ambidextrous.
• The finish is listed as black.
• The handgun ships with both flush-fit and extended magazines.
• The listing references magazine options of 17-round and 19-round magazines and also shows 19+1 in other text.
• The product category is Semi Auto Handguns.
• The UPC is 850067485650.

The RM1F combines a full-size frame with modern service features—optics-ready slide, ambidextrous controls, and configurable magazine options—making it a practical choice for shooters who want a capable handgun for daily carry in a full-size platform or for serious range work. Its RMR-compatible footprint simplifies adding a reflex sight, and the included magazine options let shooters tailor capacity and concealment trade-offs to their needs.

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