Mechlabs XX-MOD HPA Drop-In Engine jaeger Fits V2 gearboxes (same as

Fits V2 gearboxes (same as original)

this nub solves a few problem with the normal MWS nub

motor pinion gears

AirTac Customs USA Turbo Gen2 HPA regulator

currently from 0

Mechlabs XX-MOD HPA Drop-In Engine jaeger Fits V2 gearboxes (same asThe new XMOD engine from Mechlabs is here! Turn your AEG M4 into a modern highspeed HPA marker with this drop in kit. This engine is ready for install into a variety of AEG M4 bodies. The X MOD engine is a fully mechanical HPA engine, that completely replaces the original AEG Gearbox. Featuring both semi auto and full auto, this HPA engine is sure to work for everyone. The triggerpull is amazing and feels like a high end AEG with crisp triggerbreak.