Type | TP |
---|---|
Projectile | steel, black, 1 copper driving band Driving Band Markings: PMM-1-13 51-20MM T-114 |
Case | steel, knurled choke crimp, cadmium plated, 1 hole Markings: (black ink) LOT FA S 17 |
Primer | electric, flat, brass, 3-stake crimp, red annulus |
Headstamp | NECO 1951 20MM-MK.5. MOD.0 |
Notes | Hole in case to remove powder. |