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120 mm HE bomb, M934/M934A1
Region
United States
Category
Ammunition, Missiles and precision weapons
Armament M120 / M121 120 mm mortars. Development By US Army ARDEC as an incremental improvement to the M933 . The M934 was type classified as standard in May 1992 and the M934A1 in June 1996. The US Army had procured 244,000 M934/934A1 rounds through FY98, to which were added 50,000 in FY99 and 65,000 in each of FY00 and FY01. The FY02 budget provides US$39.5 million for an additional 50,000 rounds. The projectile bodies are made by Chamberlain, the fuze by KDI, the propellant charge by HiTech and the load,
assemble and pack operation is performed by SNC of Canada. Description The round consists of a fuze, propellant charge, fin assembly, ignition cartridge, and shell body. The shell body, made of wrought carbon steel, is loaded with Composition B filler. The ignition cartridge has a percussion primer and is assembled to the end of the fin assembly. The propellant charge is contained in four horseshoe-shaped felt-fibre containers and assembled around the fin assembly shaft. The M934 uses the same M981 ignition cartridge and M230 propelling charge as the M933 . The M934A1 uses the new M1020 ignition cartridge and the M234 propelling charge. The other main difference is that the M934 uses the original M734 MOF, while the M934A1 uses the newer M734A1 MOF.