The Series 80 added Colt's firing pin safety, a plunger system activated by the trigger that prevents the firing pin from moving unless the trigger is deliberately pulled. Standard production 1911 for Colt through the 1990s and beyond. Type: Semi-Auto Pistol Action: Single-Action Caliber: .45 ACP Capacity: 7 Year introduced: 1983, USA Weight: 38.5 oz Overall length: 8.5" Status: Active Military use: Yes Intended use: Service, Duty, Collecting