Special New Arrival at HitGuns.com! *BI-M4A1-3681*

Here at HitGuns.com, we have just recieved a new gun, the Full Metal Body M4A1 with Hop-Up System (BI-3681). BI 3681 is Boyi's M4 series latest product (as of 2007 July). It is a exact replica of AR-15, a US military used Assault Rifle. The uniqueness of BI 3681 is its body is full metal, included barrel, upper and lower receiver. It also carries 7mm Bushing and V2 metal gear box. This item can shoot 310-330 fps stock, and it is upgradeable to higher velocity.

Click Here for more info: http://www.hitguns.com/ProductDetails.asp?ProductCode=BI%2D3681

Features
Weight: 11 lbs with box
Power: 300-330fps with 0.2g BB
Metal Gear box: Yes
Adjustable Hop up: Yes
TM compatible Hop up: Yes
Hi-Capacity Magazine: Included
Battery and Charger: Included
7mm smooth gear box, fibre grip and heat sink motor plate