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IA Iron River Armory

Rost Martin RM1F Tactical 9mm 4.5″ Threaded Barrel

SKULIP|RM1FBLKOSPT Conditionnew CategorySemi Auto Handguns
$460.77
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About this product

The Rost Martin RM1F Tactical is a 9mm full-size handgun built for modularity and practical use. It pairs a 4.50-inch threaded barrel with an optics-ready, serrated slide to accommodate modern sighting options and muzzle devices. The firearm uses a black polymer frame with an integral Picatinny accessory rail and includes interchangeable backstraps for a customizable grip. Controls are configured for ambidextrous operation to suit a range of shooters and carry styles.

Key Specifications

  • Chambered in 9mm for common defensive and range ammunition.
  • The barrel measures 4.50 inches and is threaded for muzzle devices or suppressors.
  • The barrel is threaded to accept compatible muzzle attachments.
  • Equipped with an optic-ready, serrated slide for mounting red-dot sights.
  • Built on a polymer frame with a Picatinny rail for lights and accessories.
  • Finished in matte black for a low-reflective appearance.
  • Includes interchangeable backstraps to tailor grip fit and ergonomics.
  • Configured as a full size pistol for stable handling and sight radius.

With its thread-ready barrel and optics-capable slide, the RM1F Tactical is designed for users who value modular features and straightforward performance. The combination of a polymer chassis, customizable ergonomics, and accessory-ready controls makes it suitable for range use, duty applications, or everyday defensive readiness. Balanced handling and modern compatibility allow the platform to be adapted to the shooter’s preferred setup.

Specs at a glance

Rost Martin RM1F Tactical 9… SPECS AT A GLANCE 9mm SIZE
Editorial diagram — measurements verified during testing.
Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$460.77