
| Type | TP |
|---|---|
| Projectile | steel, aluminum fuze, blue, 1 iron driving band Projectile Markings: (black ink) HEP |
| Case | steel, segmented crimp, olive drab painted, 1 smooth cannelure |
| Primer | percussion, flat, brass, ring crimp, green, red annulus |
| Headstamp | (PSW) 07 Oe 66 (on primer assembly) 55-66 A |