
| Type | TP |
|---|---|
| Projectile | steel, aluminum windscreen, blue, 1 copper driving band Projectile Markings: (white ink) 20 x 102 TP 01-SB-88 |
| Case | brass, choke crimp Markings: (black ink) 20MM M103 01-SB-88 |
| Primer | electric, flat, brass, ring crimp, green annulus |
| Headstamp | [none] |