The Mil-Spec is Springfield Armory's base model full-size 1911, built to original GI specifications with a parkerized finish and standard GI-pattern sights. Intended as an affordable, reliable entry point into the 1911 platform. Type: Semi-Auto Pistol Action: Single-Action Caliber: .45 ACP Capacity: 7 Year introduced: 1992, USA Weight: 38.5 oz Overall length: 8.6" Status: Active Intended use: Service, Duty