The Lonex Hop-up chamber is designed for the M4/M16 AEG’s. This Hop-up chamber unit features top notch air seal and is designed to provide the best possible bb flight control.
-Made from high quality aircraft grade aluminum alloy
-Includes Everything for Complete Hopup Unit (Requires Assembly)
-O-Ring Seal on Gearbox Side
-One-Piece Hopup unit.
-Bucking and Nub sold separately