Tactical Response Pistol — Springfield's professional-grade 1911. Developed with input from law enforcement and military professionals. Features fully fitted match-grade components, G10 grips, tritium sights, and a tight but reliable action. Type: Pistol Action: Semi-Auto Caliber: .45 ACP Capacity: 8 Year introduced: 1998, USA Weight: 42 oz Overall length: 8.59" Status: Active Military use: Yes Intended use: tactical, law_enforcement, service, competition