COBALT

BS-12A "Cobalt", also known as "candle" or "spire" is a 20 mm fin-stabilized unitary shell with armor-piercing core. 

 

 The shell of the projectile is a deactivated explosive gel. The projectile is designed to penetrate exoskeleton protected targets at long combat ranges, as well as to deal with light armored vehicles. It is the main ammunition for specialized rifles, such as VC-20 and its modernized version - VC-25 "Sabre"
WATCH BELOW VIDEO: