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20 x 102mm United States

20 x 102mm HEI (Inert) M56A3 United States profile view.20 x 102mm HEI (Inert) M56A3 United States head view.

Details

TypeHEI (Inert), M56A3
Projectilesteel, steel fuze, yellow, 1 copper driving band Projectile Markings: (black ink) INERT PROJ CHARGE PROPELLANT TEST Driving Band Markings: ZEL-10-17-69-M56A3
Case[none]
Primer
Headstamp[none]
NotesThis is an inert-loaded HEI projectile for conducting propellant tests.