
| Type | HEI-T, MK210 Inert |
|---|---|
| Projectile | steel, steel fuze, yellow, red band, 1 iron driving band Projectile Markings: (black ink) INERT |
| Case | steel, 8-stab crimp, olive drab painted, 1 smooth cannelure Markings: (black ink) INERT CTG 25MM MK210 HEI-T RNO89C002-016 |
| Primer | inert, flat, brass, 4-stake crimp, black, red annulus |
| Headstamp | [none] |
| Notes | Factory-made inert cartridge. |