@ Sparty: & @ SkullzOrig: its neither actually based off its color and shape it looks more like British L-85A2 or its smaller carbine cousin the L-22A1. Chambered in the standard 5.56x45mm NATO ".223 Remington" and accepts all STANAG type M16/M4 and even the new Magpul E and P magazines.
I found out your screen name in CS2D - The punisher
Guns are well done, not sure if in the screnshot it famas or aug, I think famas. The clip could have been done better, and I don't see a trigger on it. Otherwise well done.