.50 BMG United States
Details
| Type | Proof, M1 |
|---|---|
| Projectile | FMJ, GM, black tip, 1 knurled crimping cannelure |
| Case | brass, taper crimp, tin plated |
| Primer | percussion, flat, brass, ring crimp, red annulus |
| Headstamp | L C 9 3 |
| Type | Proof, M1 |
|---|---|
| Projectile | FMJ, GM, black tip, 1 knurled crimping cannelure |
| Case | brass, taper crimp, tin plated |
| Primer | percussion, flat, brass, ring crimp, red annulus |
| Headstamp | L C 9 3 |