
| Type | TP-T, XM220 |
|---|---|
| Projectile | steel, aluminum windscreen, blue with red Ts, 1 copper driving band Projectile Markings: (white ink) 20MM TP-T XM220 NWM-1-8 DN-1-7-75 XM221E1 |
| Case | brass Markings: (black ink) 20x102 DM1003 LOS NWM-1-71 |
| Primer | none |
| Headstamp | [none] |