
| Type | Blank, M7 |
|---|---|
| Projectile | [none] |
| Case | steel, roll crimp, red lacquered paper wad sealant |
| Primer | |
| Headstamp | [none] |
| Notes | This is an auxiliary grenade cartridge used to extend the range of rifle grenades launched from M1903, M1 Garand, and M1 Carbine rifles. It was placed in the base of the rifle grenade with the wad facing the muzzle. |