
| Type | Inert, M172 |
|---|---|
| Projectile | FMJ, GM, black, 1 knurled crimping cannelure |
| Case | brass, taper crimp, black stained, 1 knurled (neck) cannelure |
| Primer | blind |
| Headstamp | ⊕ LC 66 |
| Notes | Most of the original black case/projectile chemical blackening has worn off. |