M4A1 Assault Rifle is the Carbine version of the M16A2 Rifle which with 80% parts commonality. It has a 14.5 inch barrel, allowing its user to better operate in CQC (Close Quarters Combat). It is heavily used by the US Military and slated to eventually replaced the M16 rifle for most combat units in US army.

WE M4 AEG Series comes with a new function: When user turns to “Safe”, it will release the spring in the gear box back to normal state.

Features:
14mm”-” Steel made Flash Hider.
Nylon Fiber Hand guard with 14.5 inch outer barrel.
The outer barrel can switch into 10.5 inch by removing the extended barrel assembry. User also can replace with shorter inner barrel for making their own CQB mod.
The front hand guard can store up to 9.6V small type battery (small type).
Comes with metal frame with no marking and comes with a removable carrying handle.
Standard 20mm rail on the upper frame for rail attachments.
Constructed of WE Custom Ver 2 8mm Metal Bushing Gear Box. 
Spring release function when user switch the selector to “Safe”.
Adjustable Hopup system and inner barrel are compatible with TM M4 AEG standard.
Bolt catch function available for easy Hopup adjustment.
Comes with a Nylon Fiber made Expandable Stock.
Ready to go for 390 – 410 FPS without modification.
Included 430 rounds M4 Hi-cap Magazine.
Compatible with most of the TM M4 style magazines in the market.

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

Specifications:
Length: 805mm, 885mm (Stock extended)
Barrel Length: 363mm
Shooting Mode: Safety, Semi-Auto & Full-Auto
Weight (g):  3055 (gun with mag), 3925 (with box)
Gear Box:  WE Custom Ver 2 8mm Metal Bushing Gear Box
Color: Tan
Battery: 9.6V small type battery (small type)
Magazine Capacity: 430 rds
Material: Metal & Nylon Fiber
Bullet type: 6mm BB
Power (Muzzle Velocity):  390 – 410 FPS
Manufacturer: WE