AngryGun Complete MWS High Speed Bolt Carrier With Nozzle for Marui M4 MWS GBB

AngryGun Complete MWS High Speed Bolt Carrier With Nozzle for Marui M4 MWS GBB Metal Construction Desing For Upgrade the Original Parts With Gen2 MPA Nozzle (Original) Designed to give you more control of your MWS build The BCG features an adjustable nozzle for fine FPS tuning, you simply use the provided allen key to adjust for more or less FPS from the front of the nozzle. Suitable For Tokyo Marui M4 MWS / M4 MWS SPEC Series Airsoft Gas Blow Back GBB Rifle