User blog comment:Mckrongs/Monster Hunter Frontier Season Forward 1/@comment-1011548-20110620141914/@comment-969093-20110620142715

Actually, that doesn't have to be the Ravi Sub SnS. The original Raviente also had a sub-branch of weapons which were slightly darker/ashy in color. I remember seeing a picture of Ravi GS branches somewhere in this wikia showing such a recoloration. I guess that's what this is but for the SnS.