It built magazine-fed rifles, Gruson quick fire guns, and cartridges. M2/AN Browning air-cooled machine guns with 400 rounds per gun. There are several different types of ammunition used in the M2HB and AN aircraft guns. Modern automatic rifles overlap to some extent in design and function with machine guns. He should have knowledge of the kinds and quantities of ammunition used in those guns. There are two generally recognized classes of weapons identified as heavy machine guns. I veterans prepared for a battle by collecting guns and ammunition. Each came armed with bombs, rockets, and machine guns. The Osaka Arsenal was responsible for the production of machine guns and ammunition. Service access to the guns and ammunition was also improved. Artillery fire aimed to gain superiority over the enemy guns. The constable dies at the hands of several men armed with machine guns. Artillery pieces were of two types&colon; infantry support guns and howitzers. Armed with three MG 15 machine guns. They had to withstand attacks of enemies with guns.