
| Type | Ball, Cookoff Test |
|---|---|
| Projectile | FMJ, GMCS, 1 knurled crimping cannelure |
| Case | steel, taper crimp, greenish brown lacquered |
| Primer | inert, flat, brass, ring crimp, black |
| Headstamp | F A 7 3 |
| Notes | Experimental cookoff test round - loaded with powder and inert primer. |