Rost Martin RM1FTBSPL: The RM1F is engineered for dependable performance in a full-size platform. Featuring a 4.50" hammer-forged match grade barrel; fully ambidextrous controls; Rost Martins signature grip texturing; optics-ready; rear Iron sights and black serrated front sights. Includes four magazines, 3 MOA optic, Shield Optic plate, allowing easy mounting of popular red dot sights; Savior Specialist bag, three modular backstraps. Includes four magazines, Crimson Trace 3 MOA optic, Shield Optic plate, allowing easy mounting of popular red dot sights; Savior Specialist bag, three modular backstraps. Specifications and Features: Type: Pistol Action: Semi Automatic Caliber/Gauge: 9mm Capacity: 17 Finish: Black Safety: Trigger/Firing Pin/Integral Locking System License Requirement: FFL Manufacturer: Rost Martin Barrel Length: 4.5 Threaded Barrel: Yes