KWA modification - M120 Deluxe + MOSFET Active Brake

KWA USA equipped with v2 gearbox, modification service.

Modification allows to reach 390-420 fps muzzle velocity, depending on inner barrel length.

Service includes:

• gearbox and electricity inspection;
• greases replacement, if neccessary;
• spring replacement, M120;
• reinforced piston installation, Modify Ultra;
• MOSFET unit installation, with Active Brake, Gate GDS-4004AB;
• testing of replica outdoors;
• fps measurement before and after the service;
• hop-up chamber proper functionality check;
• connector change, T-Shape;
• motor regulation.

Service and internal parts are subject to 6 months warranty.

We recommend using 9.6 V NiCD/NiMH, LiPo 7.4 V or LiPo 11.1 V batteries.

NOTICE: Modification service and replica delivery time might take 3 to 5 business days.