The M45A1 is the USMC's current close-quarters battle pistol, issued to MARSOC and Marine Raiders. Built on a full-size 1911 frame with a Picatinny rail, Cerakote finish, and Novak night sights. Manufactured by Colt's Manufacturing. Type: Semi-Auto Pistol Action: Single-Action Caliber: 45 ACP Capacity: 7 Year introduced: 2012, USA Weight: 38.5 oz Overall length: 8.5" Status: Active Military use: Yes Intended use: Military, Special Operations, Duty