ARCTURUS C.A.T V2 CENTAUR Split Gearbox Complete Upper Set

Drop-in replacement V2 upper gearbox assembly designed specifically for the C.A.T Centaur AEG platform. Complete set includes all internal components needed for the upper receiver, springs, piston, cylinder head, and selector assembly. Pre-shimmed and ready to install for reliable performance out of the box. Compatible with standard V2 gearbox housings. Ideal for upgrades, repairs, or performance tuning on your Centaur build.