Guns Modify Tokyo Marui MWS GBBR Hop Up Adjust Wheel (Competition Fine Tune for 0.2g - 0.35g BB)

The 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