LCT PK-371 Ver. 3 QSC Gearbox Shell for AEG (9mm Bearings) Wolverine Parts but Shark Scale contains the

but Shark Scale contains the best of both worlds

"Burst-auto hybrid" fires in burst and switches to full auto if the trigger remains held down

Their new CNC machined aluminum cylinder heads are machined to proper tolerances to fit in most V2 and V3 gearboxes

Inner Barrel Length: 233 mm

Well designed and adaptable to being stripped down to just minimal essentials

LCT PK-371 Ver. 3 QSC Gearbox Shell for AEG (9mm Bearings) Wolverine Parts but Shark Scale contains theFor LCT AEG. Ver. 3 (V3) Quick Spring Change gearbox with 9mm bearings. If you are running an older non QSC LCT gearbox, these are a good upgrade for both convenience and durability, as 9mm bearings are sturdier than those in the older gearboxes.