Polarstar Fusion Engine Kit for Version 2 (GEN3)
Fits M4/M16 and other Version 2 compatible AEGs. It Gives you a pressure regulated high pressure air(HPA) powered rifle. Rate of fire is fully adjustable. Change your fps and rate of fire.Change the amount of air that flows down your barrel to power the bb's to the tip of your barrel all with a few simple adjustments from your fire control unit(FCU). The engine requires a HPA paintball tank that easily fits in a camelbak carrier and a air regulator to adjust the psi output to 120 psi or below.