M4 CQBR is the variant of the M4A1 Carbine which has a 10.5 inch barrel, allowing user to better operate in extreme close combat environment. It mainly used by US Special Force and US police, SWAT for its easy carry and short length. It also has a variant known as MK18 used by US SEALS team.

Features:
14mm”-” Metal Flash Hider.
Nylon Fiber RIS Handguard with 10.5 inch outer barrel.
1 pc of RIS Fore grip included.
Nylon Fiber Body Frame with King Arms Marking and and removable carry handle.
Standard 20mm rail on the upper frame for rail attachments.
Adjustable Hop up System.
Constructed with King Arms Ver 2 7mm Bushing Gearbox.
Nylon Fiber MOD Type Retratable Stock with 6 Positions Collapsible, which store up to 9.6V Twin stick type batery / 7.4V Lipo Battery (small plug) inside the rear stock / rear stock tube.
Ready to go for 370 – 390 FPS without modification.
Included 300 rounds Hi-cap Magazine.

** Please note that Battery and Charger are not included.**

Specifications:
Length: 705mm, 785mm (Stock extended)
Barrel Length: 285mm
Shooting Mode: Safety, Semi-Auto & Full-Auto
Weight (g):  2620 (gun with magazine), 3540 (with box)
Color: Black
King Arms Ver 2 7mm Bushing Gearbox
Battery: 9.6V twin stick type battery / 7.4V Lipo Battery (Small Plug)
Magazine Capacity: 300 rds
Material: Nylon Fiber & Metal  
Bullet type: 6mm BB
Power (Muzzle Velocity): 370 – 390 FPS
Manufacturer: King Arms