Type | Dummy |
---|---|
Projectile | steel, aluminum windscreen, blue, 1 copper driving band Driving Band Markings: ZEL-4-13-65-20MM-M55A2 |
Case | brass, segmented choke crimp, 1 hole |
Primer | electric (fired), flat, brass, ring crimp |
Headstamp | [none] |
Notes | Written in black ink on case: DUMMY TP CTG. MADE UP AT YUMA PROVING GROUND SMALL ARMS TEST DIRECTORATE CA. 1975. |