S&T Replacement Valve Set for M4 / M16 Series Airsoft GBB Magazines chest rig Licensed FNH trademarks

Licensed FNH trademarks

The Hopup Chamber EVO unit is built with a Precision Aluminum Rotary Dial Knob for fine hopup adjustments and equipped with 4mm Flat Soft Bucking Nub (6mm Bucking Nub is optional) to perform best with R-Hop and Standard-Hop to keep the BB shooting accurately and consistently on every single shot

Extended magazine that holds 55 rounds for extra firepower for when you need it

Full metal scope design that has multiple reticle types for your target acquisition style

S&T Replacement Valve Set for M4 / M16 Series Airsoft GBB Magazines chest rig Licensed FNH trademarksBrass construction Factory OEM replacement parts Fits most WA WOC pattern Airsoft M4 GBB magazines Material: Brass, RubberCompatibility: For G&P, King Arms, JG, Matrix and other compatible M4 M16 Series Airsoft GBB Magazines