SS-A77 Durandal, a 13m tall attacking oriented mecha capable of electronic jamming, and equipped with a powerful rifle. Also armed with side and back missile launchers. Each arm has a 120mm machine gun on it, and there's also machine gun on each shoulder.
That would do as the mecha description
So this is the colored version, the lineart was actually finished on October 2006, but I feel like giving color to this, so with my other tasks it's just done earlier this month XD
lineart - 2B pencil on A4 paper
color - Painter & Photoshop