
            | Type | API, PGU 20/U | 
|---|---|
| Projectile | aluminum, black, red tip, 1 iron driving band Projectile Markings: (white ink) 25 MM API PGU 20/U 13309-8200231-1 AJD 001S023 INERT | 
| Case | steel, segmented crimp, olive drab painted, 1 smooth cannelure Markings: (white ink) 25MM API PGU 20/U 13309-8200230-1 AJD83B001S049 INERT (black ink) RNO82M001-005 | 
| Primer | none | 
| Headstamp | [none] | 
| Notes | This is a factory inert loading. The core appears to be steel rather than the usual depleted uranium for this cartridge. |