5.56 x 45mm China
Details
| Type | AP |
|---|---|
| Projectile | FMJ, GM, black tip, 1 knurled crimping cannelure |
| Case | brass, taper crimp |
| Primer | percussion, flat, brass, 3-stake crimp |
| Headstamp | C J 6 |
| Notes | Possibly a fake according to The Reference Book on .223 Remington (5.56 x 45MM) Cartridges by Ron C. Fuchs and Ron J. Fuchs. |