Cow Cow HopUp Bucking Combo TM GBB ELEMENT Compatible with dual or single

Compatible with dual or single solenoid AEG gearbox conversion kits such as the F2

Kit includes :

the system incorporates a very intelligent design and is unlike anything else on the market

Available in 6 colors : Black

Cow Cow HopUp Bucking Combo TM GBB ELEMENT Compatible with dual or singleCow Cow HopUp Bucking Combo TM GBB CCT HopUp busking is manufactured by high quality anti oil rubber material. It can prevent swelling, scratch and crash during the heavy usage. Its re designed entrance shape can better fit with nozzle movement to prevent jamming. Flared chamber allows BB feeding much smoother. The 70 60 50 options inside the package are able to enhance different level of spin velocity (70 Low 60 Middle 50 High) which is suitable for