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US Cartridge, 20mm HEI, Mk 1

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1572-329

Description

The Cartridge, HEI, Mk 1, w/Fuze, Percussion, DA, No. 253 Mk. I /A/, was adopted from the British in 1941. Little modification has followed except in the redesign of the cartridge case and primer. The fuzed projectile remains the same as may be sensed from the adopted British nomenclature. (/A/ is the British symbol for shell used in aircraft mounted guns.)

Hazardous Components

No information about hazardous components.

See Also

PD, No. 253 Mk 1 - 3

Source(s)

OP 1664, Volume 1 - US Explosive Ordnance (1947)

TM 9-1904, Ammunition Inspection Guide (1944)