Type | TP, M55A1 |
---|---|
Projectile | steel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM BALL M55A1 LC-17-1 Driving Band Markings: * HVM-2-6 56 20MM M55A1 * |
Case | steel, choke crimp, cadmium plated |
Primer | electric, flat, brass, ring crimp |
Headstamp | [none] |