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M500A1
The M500A1 is a mechanical time and super quick (MTSQ) artillery fuze with a detonative output. The M500A1 is normally fitted with the M21A4 booster assembly that incorporates its own safety and arming device (SAD) and a tetryl booster charge. A modified version of the M500A1 mechanical time and super quick (MTSQ) fuze, fitted with the XM137 'booster' assembly, was used with the T377E1 105 mm improved conventional munition (ICM) cargo proje...
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