US Cartridge, 120mm HE, M933
This cartridge is a high explosive round developed for use in the M120 and M121 120mm mortar system. It is intended for use against personnel and materiel targets, providing for fragmentation and blast effects.
The complete 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 fiber containers assembled around the fin assembly shaft.
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