
| Type | Ball, M855 |
|---|---|
| Projectile | FMJ, GM, steel core, green tip, 1 knurled crimping cannelure |
| Case | brass, taper crimp |
| Primer | percussion, flat, brass, ring crimp, purple annulus |
| Headstamp | T 87 Z 21 |
| Notes | The number 21 in the headstamp is a SCAMP marking indicating the machine used to manufacture the case. |