Type | Break-Up |
---|---|
Projectile | plastic, iron dust filled, olive drab, 1 plastic driving band Projectile Markings: (white ink) 20MM ??? BREAK-UP LOT NWM-1-1 |
Case | brass |
Primer | electric, flat, brass, ring crimp, red annulus |
Headstamp | (black ink) 20MM M103 NWM-1-20-74 |