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The 75 mm gun, models M2 to M6, was the standard American medium caliber gun fitted to mobile platforms during World War II. They were primarily mounted on tanks , such as the M3 Lee and M4 Sherman , but one variant was also used as an air-to-ground gun on the B-25 Mitchell medium bomber aircraft .
The AP shell for the 75 mm gun was a 15 lb (6.8 kg) projectile with a couple of ounces (60 g) of HE filling propelled by a 2 lb (900 g) charge to 2,000 feet per second (610 m/s). In British service, the AP shell was used without its explosive filling and as such was referred to as "AP Shot M61".
The 75 mm gun M1916 was a US Army field artillery piece used during and after World War I. It was used as an anti-aircraft gun as well as a field piece. It originated as the 3-inch gun M1913 , which was soon modified to the 3-inch gun M1916 , which was later altered to the subject weapon.
The total consumption of 75 mm shells at Verdun during the period February 21 to September 30, 1916, is documented by the public record at the Service Historique de l'Armée de Terre to have been in excess of 16 million rounds, or nearly 70% of all shells fired by French artillery during that battle. The French 75 was a devastating anti ...
The 75mm pack howitzer M1 (redesignated the M116 in 1962) was a pack howitzer artillery piece used by the United States. Designed to be moved across difficult terrain, gun and carriage could be broken down into several pieces to be carried by pack animals.
The US decided early in World War I to switch from 3-inch (76 mm) to 75 mm calibre for its field guns. Its preferred gun for re-equipment was the French 75 mm Model of 1897, but early attempts to produce it in the US using US commercial mass-production techniques failed, partly due to delays in obtaining necessary French plans, and then their being incomplete or inaccurate, and partly because ...
The main differences amongst the rounds fired by 75 mm German guns were in the length and shape of the cartridge cases as well as the primers used. The 7.5 cm KwK 40 (75x495mm) used in tanks had a fixed cartridge case twice the length of that used by the 7.5 cm KwK 37 , the short barrelled 75 mm used on earlier tanks, and the 7.5 cm Pak 40 ...
Modernization of 75 mm guns also involved placing M1897 guns on new M2A1 carriages. [6] Production of the M2A2 carriage, featuring newly made M2 recoil mechanisms assembled from tubes mounted in a cradle (instead of a solid steel forging bored through as on M1897), [ 11 ] began in 1936, but the conversion process was slow, and by the end of ...