COLT M1911 is a single-action, semi-automatic ... 7 million M1911 and M1911A1 pistols in military contracts during its service life. The M1911 was replaced by the 9mm Beretta M9 pistol as the ...

45 caliber pistol and .38 caliber revolvers. The Beretta M9 has redundant automatic safety features to help prevent unintentional discharges. It can be fired in either double or single action ...