
| Type | TP |
|---|---|
| Projectile | steel, brass fuze, brown, 1 copper driving band Projectile Markings: (stamped on fuze) MK 26- NC(stamped on projectile) MK - 2 D 8-42 |
| Case | brass Markings: (black ink) 20MM M103 ACN 92B006-??8 |
| Primer | percussion, flat, brass |
| Headstamp | [none] |
| Notes | This is actually a civilian reload made from resized 20x102mm brass, a projectile pulled from a 20x110mm Oerlikon dummy cartridge, and a .50 BMG primer. |