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M63 (HE)
The M63 is a fixed, 37 mm, base-fuzed, high explosive fragmentation (HE-frag) cannon round, or simply HE in US terminology of the time, which replaced the earlier Mk. II HE-frag round. The M63 is used with the M3 series of 37 mm anti-tank guns and the M5 and M6 series of 37 mm tank guns. Other known rounds in the family are the: M2 cannister; M13 drill (totally inert); M51 armour piercing, capped, ballistic-capped, tracer (APCBC-T); M51 tar...
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