
| Type | API, T49 |
|---|---|
| Projectile | FMJ, GM, blue over silver tip, 1 smooth crimping cannelure |
| Case | brass, taper crimp |
| Primer | percussion, flat, brass, 3-stake crimp, purple annulus |
| Headstamp | F A 45 |
| Notes | Experimental high-velocity aircraft API, short projectile. |