
| Type | TP, T199 |
|---|---|
| Projectile | steel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM PRACTICE T 199 LC-3-15 Driving Band Markings: *HVM-20-45 54 20MM T283E1* |
| Case | brass, knurled choke crimp |
| Primer | electric, flat, brass, ring crimp |
| Headstamp | [none] |