20 x 110mm HS United States
Details
| Type | Dummy |
|---|---|
| Projectile | steel, tin, 1 copper driving band Driving Band Markings: PMC DA-1337 53 20MM TP |
| Case | steel, knurled choke crimp, tin plated |
| Primer | electric, flat, brass, ring crimp |
| Headstamp | P E 54 |
| Notes | Case has an inert filler. |