The Rost Martin RM1C is a compact 9mm Luger semi-automatic pistol with a 4-inch hammer forged steel barrel and a 10+1 round capacity. It has an optic-ready, serrated slide and an ambidextrous magazine release. The pistol ships with the Signature RGT grip. 
 

Key Specifications 

• Brand: Rost Martin 
• Model: RM1C 
• Caliber: 9mm Luger 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 4 inches 
• Color/Finish: Black 
   

Detailed Features 

• Optic-ready slide cut for direct red dot mounting 
• Serrated slide for positive manipulation 
• Ambidextrous magazine release for left- or right-handed use 
• Hammer forged steel slide construction 
• Signature RGT grip texture

Owners of the Rost Martin RM1C appreciate the optic-ready slide out of the box, noting it removes the need for an aftermarket milling job. The hammer forged slide gets positive mentions for perceived durability, and the ambidextrous magazine release is a consistent highlight for left-handed shooters.

Ergonomics draw mixed feedback. Some find the RGT grip texture aggressive enough for wet-hand control, while others find it uncomfortable during extended range sessions. The 4-inch barrel sits in a useful middle ground between a subcompact and a full-size, though a few owners wish the overall package were slightly slimmer.

The RM1C sits in a competitive price bracket and is often compared to established compact pistols. Trigger feel splits opinions, with some owners calling it crisp and others noting a longer reset than expected. Aftermarket support is still developing given the brand's relatively recent market entry.