Modify Accurate Metal Hop Up Chamber
Designed for M16/M4 series AEGs.
2 types hop up arm
Accurate adjustment; gear design for precision adjustment
Accurate Metal Hop Up Chamber for M16/M4 Series Features
hop up arm are interchangeable between raised pressure point type to the stock. Gives you two hop up arm for the price of one.
Redesigned hop up arm by adding an adjustment gear making accurate adjustment easier.
Adjustment button with O-ring to assure tightness.
hardened the pressure point making the hopper more accurate and stable faster pressurization