Guns Modify TM MWS GBBR Hop-Up Adjust Wheel (Competition Fine Tune for 0.2g - 0.35g BB) Engine Only (Modification of the gearbox is

(Modification of the gearbox is required)

Never compromise on your ergonomics again

The included mounting base allows it to be attached to any 20mm mounting rail

The grey lenses absorb all colours equally

Guns Modify TM MWS GBBR Hop-Up Adjust Wheel (Competition Fine Tune for 0.2g - 0.35g BB) Engine Only (Modification of the gearbox isThe Guns Modify competition fine tuning hop up adjustment wheel is designed to be a premium upgrade part designed to help any shooter better dial in their hop up giving superior long range accuracy. Compatibility: Tokyo Marui M4A1 MWS GBBR BB Weight Compatibility: 0. 2g 0. 25g 0. 28g 0. 3g 0. 35g