Share This Article 1. These were the M42 “Duster” anti-aircraft systems’ main weapons. Four 20mm Oerlikon cannons Four .50 caliber Browning Machineguns Two 40mm Bofors cannons One 60mm Raytheon cannon 2. The M1918 Browning Automatic Rifle became standard issue to the US Army in this year. 1918 1917 1938 1941 3. Gun makers, Hopkins and Allen, was the most prolific producer of this kind of weapon. Military side-arms Hunting rifles Shotguns Spur trigger pistols Loading …
