
| Type | Artillery Primer |
|---|---|
| Projectile | FMJ, GM, 1 smooth crimping 1 smooth cannelures |
| Case | brass, taper crimp, clear lacquer sealant |
| Primer | percussion, flat, brass, ring crimp, black annulus |
| Headstamp | ⊕ LC 79 |
| Notes | Experimental artillery primer for semi-automatic primer loading. Hollow jacket has 1 smooth cannelure mid-way down with 4 scores from that to the tip. Jacket was meant to open up on firing, thus igniting the main charge. |