
| Type | Incendiary Tracer |
|---|---|
| Projectile | FMJ, GM, 1 knurled crimping 2 knurled cannelures |
| Case | brass, taper crimp, green band head |
| Primer | percussion, flat, brass, ring crimp, black annulus |
| Headstamp | ICI 5 8 |
| Notes | Experimental dark-ignition incendiary tracer, contract 4709-K31-12.58. |