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60 mm HE bomb M720A1
Регіон
United States
Категорія
Боєприпаси, ракети та високоточне озброєння
Armament US M224 60 mm mortar. Development By US Army ARDEC as an improvement upon the previous M720 model. The HF-1 steel shell bodies are made by Medico, the fuzes by KDI and the rounds assembled under a December 2001 contract by Day & Zimmerman at the Kansas Army Ammunition Plant. The US Army's FY02 budget includes US$18.3 million for 40,000 rounds. Description The M720A1 is filled with a new melt castable explosive, PAX-21, developed jointly by ARDEC and ATK Thiokol. PAX-21 has been developed to help reduce
the response of the round to unplanned stimuli. It is less shock sensitive than the Comp B explosive used in the M720 . This aids in the M720A1's insensitive munition performance. Weight of the explosive fill remains unchanged from the M720 . There are other differences between the two cartridges such as: the M720A1 uses the M734A1 fuze, the shell body is HF-1 steel and a different propulsion system employing the M235 propellant charges and M702 ignition cartridge. In fact, the only common components between the M720 and the M720A1 are the M27 fin and obturator. Manufacturer US government contractors.