Colt Model 1911 A1 explained

From the Model 1911 to the Model 1911 A1. Further refinement of the Model 1911 A1. National Match Pistols in caliber. 45 acp. Commercial production of the Model 1911 A1. War production of the Model 1911 A1. Post War changes until the 1960s. Changes of the 1970s. Colt Government in caliber. 38 Super. Colt "Commander". Colt "Gold Cup National Match" in caliber. 45 acp.