The G&G M4 CQB (Close Quarters Battle) series, have high standards for their non-metal parts. These rifles are designed to be shorter and more manoeuvrable around tight corners. The CQB-R has an integrated rail system with a vertical foregrip, as well as an adjustable crane stock. The Advanced model contains the following upgrade.
8mm Ball Bearing Bushings
G&G "Strong" Motor
Metal Ball Bearing Spring Guide
Reinforced Piston
Metal Piston Head
Silver Wiring
Silver Electroplated Tight Bore Barrel
Specifications .
Velocity 370
Hop Up Yes, Adjustable
Barrel Thread 14mm Negative
Blowback No
Gear Box Heavily Reinforced Metal
Motor Type Torque Up, Long Type
Gun Stock Crane
Fire Modes Semi & Full Auto
Magazine Capacity 450
Caliber 6mm
Comes with:
Battery, Charger, Cleaning rod, Magazine, Ballistics glasses and a small bag of bbs.