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King Arms Colt M4A1 GBB In Stock

King Arms Colt M4A1 GBB

The King Arms M4A1 Gas Blowback Rifle is now available again for resellers and distributors to order. This M4 GBB can work with gas magazines compatible with the Western Arms Gas Blowback System... "This Colt M4A1 is a gas operating rifle with full Colt trademarks (licensed from Cybergun) engraved on the metal receiver. This GBB package comes with a 50 rounds gas magazine, a foregrip, and a BB loader. Green gas is recommended to be used on this GBB. There are two valve blockers included in this King Arms gas blowback rifle package, which one of them is already installed in the rifle. To adjust the power, user can just switch between the higher or lower power the valve blocker. To adjust the Rate of Fire for this rifle, users can use the four different sizes pink color speed buffers to achieve what they prefer. The thickest and thinnest speed buffers have been installed in the stock tube. By adding another speed buffer to reduce the travel distance for the recoil spring, higher ROF can be achieved.

  • Item Code: KA-GBB-01Name: Colt M4A1 Gas Blowback
  • Suggested Energy Source: 134A / Green Gas
  • Max. Overall Length: 850mm
  • Min. Overall Length: 770mm
  • Inner Barrel Length: 360mm
  • Weight without Magazine: 2270g
  • Main Material: Aluminum; Nylon Fiber
  • Major Color: Black
  • Capacity: 50 Rounds
  • Caliber: 6mm
  • Fire Mode: Safe / Single / Full-Auto
  • Marking: C--t
  • King Arms Bolt Catch System: King Arms GBB Bolt Catch System
  • Loading Mode: Automatic Rifle
  • Blowback Action: Gas Blowback
  • Outer Barrel Design: CNC One Piece
  • Magazine Release Design: Single-Way
  • Hop-Up Bucking Design: Adjustable WA M4 GBB Type
  • Accessories come with package: BB Loader; Valve Blocker x2 & Buffer x4
  • Muzzle velocity(Canada version): Over 366 FPS
  • Muzzle velocity(Italy/Japan version): Lower 0.98J
  • Muzzle velocity(Standard version): 370 ~ 410 FPS





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