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Cartridge, 40 mm, HE, M441
Регіон
United States
Категорія
Боєприпаси, ракети та високоточне озброєння
Armament Low-velocity launchers of the M79 and M203 types. Development By US Army Ordnance. Description The cartridge is a fixed round of ammunition consisting of a projectile body with a rotating band and a cartridge case assembly. A hollow aluminium ogive is fitted to the front of the projectile. An impact fuze with a booster charge is threaded into the opening of a steel ball assembly crimped into the projectile base. The ball assembly contains an HE bursting charge. The projectile assembly is press-fitted into
the aluminium cartridge case. The case is a hollow bi-chambered cylinder with a metal closing plug crimped into the cartridge case. The propellant cup assembly is sealed by the closing plug in the bottom, and contains the propelling charge. A percussion primer is crimped into a centre opening in the closing plug. The propellant cup assembly acts as a high-pressure chamber; and the hollow cavity in the case surrounding the cup acts as a low-pressure chamber. Manufacturer US government contractors.