E&C M16A3 20 Inch AEG Airsoft Rifle W/M203 EC-702QD 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

1 kg Net Weight

Brand E&C  Airsoft Model EC-644 Firearm Model Daniel Defense MK18 RIII Material Metal Power Source Electric Speed

Firearm Model MK14

Firearm Model HK416 RAHG Material Metal Power Source Electric Speed

Applicable to most E&C HK416 model AEG products

Adjustable Barrel Length 5 inch Barrel Thread CCW Dimension    L×W×H 68

this system ensures you fire with precision and reliability

6 kg Net Weight

Adjustable Barrel Length 12 inch Barrel Thread CCW Dimension     L×W×H 78 × 11 × 36 cm Gross Weight 4

Brand E&C  Airsoft Model EC-305 Firearm Model M4 RIS II Material Metal Power Source Electric Speed

Brand E&C  Airsoft Model EC-333 Firearm Model SI Material Metal Power Source Electric Speed

Adjustable Barrel Length 19 inch Barrel Thread CCW Dimension     L×W×H 110 × 11 × 37 cm Gross Weight 4