Full Colt trademark engraved on the metal receiver under license.
Equipped with blowback system which provides realistic action.
Aluminum Alloy RIS for mounting accessories.
Front Sight with swivel and adjustable steel front sight post.
Carry handle with adjustable steel rear sight.

There are two valve blockers included in this package, which one of them is already installed in the rifle.
To adjust the power, user can just switch between the higher or lower valve blocker.

To adjust the Rate of Fire for this rifle, users can use 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 travle distance for the recoil spring, higher ROF can be achieved.

Specifications :
Length(Stock Retracted) : 770mm
Length(Stock Extended) : 850mm
Shooting Mode : Safe/Single/Full-Auto
Weight (Gram):3830 (With Box)
Major Color : Black
Magazine Capacity :50 rd
Materials :Aluminum/Nylon Fiber
Barrel Thread Type : 16mm
Bullet Type : 6mm BB
Gas Type : 134A/Green Gas
Power (Muzzle Velocity) : 330-380 fps (0.2 gram BB) 
Manufacturer: King Arms