Pioneer American sub-compact 1911 from Detonics Manufacturing. The Combat Master proved that the 1911 platform could be made into a concealable carry gun without major mechanical compromise. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 6 Year introduced: 1976, USA Weight: 26 oz Overall length: 6.75" Status: Active Intended use: Self-Defense, Concealed Carry