E&C M4CQB 11 Inch AEG Airsoft Rifle EC-302QD 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

Upgradeable Design: Equipped with a metal Version 2

7 cm Gross Weight 3

Brand E&C  Airsoft Model MA-009 Firearm Model HK416 Round Count

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

5 kg Battery Plug

Adjustable Barrel Length 7 inch Barrel Thread CCW Dimension    L×W×H 64

Applicable to most E&C M4/M16 model AEG products

Authentic Design: Dive into action with a 1:1 replica of the SIG SAUER MCX

Adjustable Barrel Length 16 inch Barrel Thread CCW Dimension    L×W×H 56 × 11 × 37 cm Gross Weight 3

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

Brand E&C  Airsoft Model EC-301

Brand E&C  Airsoft Model EC-204