.50 BMG United States
Details
| Type | Blank, M1A1 |
|---|---|
| Projectile | [none] |
| Case | brass, 6-petal crimp, clear lacquer sealant Markings: (black ink) LC 78 |
| Primer | percussion, flat, brass, ring crimp, red annulus |
| Headstamp | L C 8 2 |
| Notes | It is unknown if the "LC 78" stencil on the case is factory-original, and if so, what its significance is. |