The Rost Martin RM1C is a 9mm semi-automatic pistol with a 4-inch compensated match grade barrel and a 10+1 round capacity. It is optic-ready with an RMR mount and a nitrocarburized black finish, available in a CA compliant configuration. 
 

Key Specifications 

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

Detailed Features 

• 4-inch compensated match grade barrel 
• Optic-ready cut with RMR mount 
• Nitrocarburized black finish on the steel frame 
• Serrated rear sight with front white dot 
• CA compliant 10+1 round configuration

Owners of the RM1C cite the compensated match grade barrel as a notable inclusion for a production pistol in this segment. The optic-ready RMR mount and nitrocarburized finish attract buyers who want a complete setup without immediate modification costs. For a newer brand, Rost Martin has earned measured early praise for fit and finish.

The 9mm chambering with a 4-inch barrel puts the RM1C in a familiar carry-capable size. Most owners report consistent function through initial use. The CA compliant 10+1 configuration is appreciated by buyers in restricted-capacity states who want a full-featured pistol.

Rost Martin is a newer name and some buyers approach it with cautious expectations. Trigger feel and long-term reliability are areas where owners reserve judgment. Those who have run the pistol extensively report that the compensated barrel makes a noticeable difference in muzzle movement during rapid fire.