Colt's government model incorporating the Series 80 firing pin block safety introduced in 1983. The firing pin safety added a positive safety that prevents the firing pin from moving forward unless the trigger is pulled, addressing liability concerns about drop-fire. Standard production run. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 1983, USA Weight: 38 oz Overall length: 8.75" Status: Active Intended use: Duty Carry, Home Defense