The Springfield MC Operator is a full-size 1911 in .45 ACP featuring tactical accessories including an underrail, night sights, match-grade barrel, and ambi thumb safety. It combines enhanced tactical features with the classic 1911 format at a price below custom shop options. Type: Pistol Action: Single-Action Caliber: .45 ACP Capacity: 8 Year introduced: 2018, USA Weight: 40.5 oz Overall length: 8.6" Status: Active Intended use: Duty, Home Defense, Competition