Airtech Studios Universal Advanced Hop-up Chamber & Inner Barrel O-Ring reg_BL Half-teeth design especially suitable for

Half-teeth design especially suitable for Helical gears

Handguard & Pistol grip

Cocking Handle Material: Aluminum (CNC Process)

Suitable For M4A1 MWS Series Airsoft Rifle

Airtech Studios Universal Advanced Hop-up Chamber & Inner Barrel O-Ring reg_BL Half-teeth design especially suitable forAirtech Studios Universal Advanced Hop up Chamber & Inner Barrel O Ring Designed to be used in AEG Chamber Suitable For M4 AR AEG Hop Up Chamber Compatibility: G&G Rotary Chamber PROWIN Rotary Chamber MADBULL Rotary Chamber VFC Rotary Chamber ASG Scorpion EVO ICS Plastic Rotary LONEX G36 G&G Green M4 Chamber Prometheus Rotary ARES Amoeba Rotary Chamber