Rost Martin RM1F Tactical Specifications Manufacturer: Rost Martin Model: RM1F Tactical Series: Tactical Caliber: 9mm Luger Capacity: 15+1 Action: Semi-Automatic Trigger: Flat Face, 5 lb. Frame Material: Polymer Frame Finish: Black Frame Description: Polymer Frame with Picatinny Rail Slide Material: Steel Slide Finish: Black Nitron Slide Description: Optic Ready, Serrated Barrel Length: 5.1" Barrel Material: Steel Barrel Finish: Black Barrel Description: Threaded Thread Pattern: 1/2"x28 Overall Length: 7.68" Height: 5.1" Width: 1.20" Weight: 26.1 oz. Sights: White Dot Front, Black Serrated Rear, High Iron Sights Mount Type: RMR Footprint Grips: Interchangeable Backstrap Hand: Ambidextrous Magazine Included: Two 15-Round Magazines