The Springfield Professional is built to the specification developed jointly by Springfield's Custom Shop and the FBI Hostage Rescue Team. Each pistol is hand-fitted and individually certified. It represents the highest production-level 1911 Springfield builds for law enforcement duty use. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 1998, USA Weight: 39 oz Overall length: 8.6" Status: Active Intended use: Law Enforcement, Tactical