E&C MK4 10 Inch AEG Airsoft Rifle EC-643QD System: With Quick Disassemble System, even beginners can replace the spring in a minimum of 60 seconds. Solid Construction: Built with a full metal upper and lower receiver for enhanced durability and authenticity. Easy Adjustment: Features a mock bolt that locks open, providing easy access for hop up adjustments. Upgradeable Design: Equipped with a metal Version 2. 0 gearbox, our airsoft gun offers easy upgradeability to enhance your gaming

Firearm Model 416C Material Metal Power Source Electric Speed

1 inch Barrel Thread CCW Dimension     L×W×H 70 × 11 × 37 cm Gross Weight 3

7 cm Gross Weight 3

even beginners can replace the spring in a minimum of 60 seconds

Adjustable Barrel Length 14

5 inch Barrel Thread CCW Dimension     L×W×H 79 × 11 × 37 cm Gross Weight 4

7 × 11 × 36 cm Gross Weight 3

Brand E&C  Airsoft Model EC-109

Brand E&C  Airsoft Model EC-638 Firearm Model MK8 Material Metal Power Source Electric Speed

Adjustable Barrel Length 13

Brand E&C  Airsoft Model EC-301

Brand E&C  Airsoft Model MP-527 Firearm Model M110A1 Length 14