Guarder M4 SR-16 Full Gearbox Set (Fit SP85-120) g17 G&P M4 Colt RAS AEG

G&P M4 Colt RAS AEG w/ Masterkey

- AEG M16/NATO STANAG magazine compatibility reduces logistical impact on both operators and supply chains

FM radio digital tuner

110mm Sub-Sonic Silencer (14mm CW/CCW

2g BBs / Top Gas

Guarder M4 SR-16 Full Gearbox Set (Fit SP85-120) g17 G&P M4 Colt RAS AEGA complete Gearbox Upgrade kit includes ALL parts for upgrading your Airsoft Electric Gun AEG Guarder made this kit with all suitable parts to super tune up your AEG Rifle The combination of difference parts allow an optimal result & performance Hard and rigid material used, including S304 Stainless Steel, Brass, Polycarbonate, Aluminum, Acetal and Steel As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult