M4A1 RAS is the M4A1 Carbine which equips with the RAS (Rail Adapter System) handguard ,  as the standard equipment for the M4 / CQBR used by US Special Force based on the SOPMOD block I (Special Operations Peculiar Modification) developed by USSOCOM. 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 toeventually replaced the M16 rifle for most combat units in US army.

Features:
14mm CCW Metal M4 Type Flash Hider.
Comes with RAS Hand guard with 14.5 inch outer barrel.
Comes with a PEQ Battery Box which can store up to 7.4V PEQ type Lipo Battery or 9.6V PEQ type Mini Battery (small plug).
Metal Frame with engraved marking.
Standard 20mm rail on the upper frame for rail attachments.
Comes with a removable carry handle.
Adjustable Hop up System.
Comes with standard type M4 Motor Grip.
Constructed with Army Custom Metal Next Generation Gear box with EBB and recoil function.
Comes with a Milspec type Retractable Stock with 6 Positions Collapsible.
Ready to go for 350 – 370 FPS (0.2g BB) without modification.
Included 430 rounds Next Generation M4 type Hi-cap Magazine.

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

Specifications:
Length: 805mm, 880mm (Stock extended)
Barrel Length: 364mm
Shooting Mode: Safety, Semi-Auto & Full-Auto
Weight (g):  3420 (gun with magazine), 4800 (with box)
Color: Black
Gear Box: Army Custom Metal Next Generation Gear box with EBB and recoil function
Battery: 9.6V twin stick battery / 7.4V Lipo Battery (small plug)
Magazine Capacity: 430 rounds
Material: Metal & Nylon Fiber   
Bullet type: 6mm BB
Power (Muzzle Velocity): 350 – 370 FPS (0.2g BB)
Manufacturer: Army