
| Type | HE |
|---|---|
| Projectile | steel, brass fuze, white, 1 copper driving band Projectile Markings: (stamped on fuze) MK XXVI MOD … MBCoLOT (stamped on projectile) MK3-54G 2/43 MAT |
| Case | brass, segmented crimp |
| Primer | percussion, flat, brass, ring crimp, green annulus |
| Headstamp | B (in diamond) 1942 20MM MK 2 |
| Notes | Fuze and projectile are inert, and powder has been removed. The white projectile indicates HE (Tetryl). |