
| Type | Dummy |
|---|---|
| Projectile | steel, aluminum windscreen, 1 plastic driving band |
| Case | steel, segmented crimp, grey painted |
| Primer | none |
| Headstamp | LOS M 1 71 (etched) 4 |
| Notes | Experimental dummy for Mauser Mod B cannon (20mm) using a special barrel. The shortened case and deep seated projectile is required to match the cartridge OAL to a 20mm HS820 round. Cases and projectiles were sent to the US by Germany and loaded by Hercules. |