KWA M4 SR10 Full Metal AEG with Extra Mag Slide Screw Adjustable HOP UP system is

Adjustable HOP UP system is equipped (New Gen Hop Up Set)

Item Weight (gram) 1024 Major Color Black Length 285mm Hop-up Fixed Shooting Mode Semi-Automatic Magazine Capacity 6 Bullet Type 6mm BB Pistol Power Source CO2 Gas Power (Muzzle Velocity) 325fps Manufacturer WinGun Package Includes Webley WG Mark VI 6mm BB CO2 Revolver (Shabby Version)

Tokyo Marui 480rd Hi-Cap Magazine for Mac 10 AEG

Special Improvement from old version:

consult expertise if needed

KWA M4 SR10 Full Metal AEG with Extra Mag Slide Screw Adjustable HOP UP system isKWA M4 SR10 Full Metal AEG 1 1 Scale High Performance Assembled Electric Powered Airsoft AEG Main Features: Aluminum Receiver Aluminum Flash hider & 14. 5inch One Piece Outer Barrel Decent Lower Receiver Machined, extruded aluminum 10" forend tube with four Picatinny rails Free Float Rail Adapter System 6 position collapsible stock (able to store 8. 4V, 9. 6V NiMh Battery, or 7. 4V, 11. 1V Lithium Polymer Battery) (Not Include Battery) Adjustable flip