
| Type | Dummy, T252 |
|---|---|
| Projectile | steel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) DUMMY 30MM-T252 FAX3M-2245 Driving Band Markings: PPN 18-1 54 30MM T-328 |
| Case | brass, choke crimp |
| Primer | none |
| Headstamp | [none] |
| Notes | Inert case filler. |