20 x 102mm United States
Details
| Type | TP-T, PGU-30A/B |
|---|---|
| Projectile | steel, aluminum windscreen, blue with red Ts, 1 iron driving band Projectile Markings: (white ink) OLM10A292-001 GLN09C704-010 20MM |
| Case | brass, choke crimp Markings: (black ink) 20MM PGU-30A/B OLM10B300H006 20MM M103 ACN 09M016-040 |
| Primer | electric, flat, brass, ring crimp |
| Headstamp | [none] |