CNC ALUMINUM HOPUP CHAMBER M4G GBB VER. (FOR STANDARD M4) 73 This is because the spring

This is because the spring guide is not fixed in the gearbox but has will for easy removing with hex key

65V: 26650

Also includes Big Bite™ Valve and HydroGuard™ Technology

Mounting points on either side for additional rail space

Features: - Ergonomically shaped rubberized butt-pad for quick shouldering and easy maneuvering of the weapon

CNC ALUMINUM HOPUP CHAMBER M4G GBB VER. (FOR STANDARD M4) 73 This is because the springCNC Aluminum Hop up Chamber M4G unit is precisely machined to perform accurately and consistently on Tokyo Marui VFC M4 M16 AEG series. The Hop up Chamber M4G unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, precision Hopup Lever and bucking Nubs to perform the BB shooting accurately and consistently on every single shot. The Hop up Chamber M4G unit is wisely equipped with an interchangeable Inlet Adaptor to ensure the hop