ASG Version 2 Gearbox Shell CTM Umarex / BCM Air and

Umarex / BCM Air and other VFC spec Gear boxes

T3 5/8 Cut for SMGs (<300mm)

Both of the gearbox parts are centered by milled grooves and edges

Chrome Finish

ASG Version 2 Gearbox Shell CTM Umarex / BCM Air andThis ULTIMATE Upgrade Series Version 2 gearbox shell is cast in high strength materials to ensure the box can handle the stresses that upgrades will exert on the box. Each gearbox includes high performance, 8mm steel bearings, equipped with taps controlling the lining of the case. This helps prevent the case twisting under pressure. Each gearbox is uniquely numbered and also comes with an ULTIMATE selector plate and constructed with high strength hex