S&T Replacement Valve Set for M4 / M16 Series Airsoft GBB Magazines chest rig Full metal scope design that

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

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

MOLLE system for attaching mag

crafted for those who value both comfort and performance on the field

for players--all the features you're looking for at a price that won't break the bank

S&T Replacement Valve Set for M4 / M16 Series Airsoft GBB Magazines chest rig Full metal scope design thatBrass 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