.50 BMG United States
Details
| Type | Ball |
|---|---|
| Projectile | FMJ, GM, steel core, 2 knurled (1 knurled seat) cannelures |
| Case | brass, taper crimp |
| Primer | percussion, flat, brass, 3-triangle crimp, purple annulus |
| Headstamp | R A 51 |
| Type | Ball |
|---|---|
| Projectile | FMJ, GM, steel core, 2 knurled (1 knurled seat) cannelures |
| Case | brass, taper crimp |
| Primer | percussion, flat, brass, 3-triangle crimp, purple annulus |
| Headstamp | R A 51 |