20x102mm Vulcan, M55A2 TP (Training Projectiles)
32 Rounds with Ammo Can

The cartridge is a training round intended as a substitute for a service round to be used in target practice. (Brass)

The one piece projectile cavity is hollow. The nose is made of aluminum or steel is swaged to the projectile body. The projectile is painted blue with markings in black. It consists of a solid projectile without a fuze.

Primer - Electric, M52A3B1

Propellant - WC 870 (585 grains) or WC 872 (605 grains)