
| Type | TP, M55A2 |
|---|---|
| Projectile | steel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM BALL M55A2 LCA-SA-2-58 Driving Band Markings: *LC-4-1*58*20MM*M58A2* |
| Case | brass, choke crimp |
| Primer | electric, flat, brass, ring crimp, red annulus |
| Headstamp | [none] |