5.56 x 45mm United States
![5.56 x 45mm Ball M855A1 United States ⊕ LC 13 [SCAMP ??] profile view.](/ctg-images/large/2265-s.jpg)
![5.56 x 45mm Ball M855A1 United States ⊕ LC 13 [SCAMP ??] head view.](/ctg-images/large/2265-h.jpg)
Details
| Type | Ball, M855A1 |
|---|---|
| Projectile | FMJ, copper, steel penetrator, 1 knurled crimping cannelure |
| Case | brass |
| Primer | blind |
| Headstamp | ⊕ LC 13 [SCAMP ??] |
| Notes | Inert loading of M855A1 ball cartridge. |
| Type | Ball, M855A1 |
|---|---|
| Projectile | FMJ, copper, steel penetrator, 1 knurled crimping cannelure |
| Case | brass |
| Primer | blind |
| Headstamp | ⊕ LC 13 [SCAMP ??] |
| Notes | Inert loading of M855A1 ball cartridge. |