M4A1 Carbine 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 toeventually replaced the M16 rifle for most combat units in US army.

Features:
Constructed with Western Arms type GBB System (WOC Series).
14mm CW Metal M4 type Flash Hider.
Standard Hand guard with 14.5 inch outer barrel.
Metal frame with skull frog marking.
Standard 20mm rail on the upper frame for rail attachments.
Comes with a 600m folding rear sight.
Adjustable hop up system (WA System).
Comes with a negative pressure bolt set.
Realistic break down same as real steel M4A1 rifle.
Included a standard type grip, KAC type trigger guard and mil-spec Retratable Stock with 6 Positions Collapsible.
Ready to go for 420 – 440 FPS (Green Gas, 0.2g BB) without modification.
Included 50 rounds Metal WA System M4 Gas Magazine.

Specifications :
Length: 770mm, 850mm (Stock extended)
Barrel Length: ~330mm
Shooting Mode: Safety, Semi-Auto & Full-Auto
System:  Western Arms type GBB System (WOC Series)
Power Source : 8KG (134a), 12KG (Green gas)
Weight (g): 2830 (gun wuth magazine), 3850 (with box)
Color: Black
Magazine Capacity : 50 + 1 rounds
Material: Metal & Nylon Fiber
Bullet type: 6mm BB
Power (Muzzle Velocity): 420 – 440 FPS (Green Gas, 0.2g BB)
Manufacturer: G&P