SOG Armory side sling adapter, like new, bought to hold me over until I could afford another railed forend.
Heavy duty delrin, sling swivel on one side & short rail on the other. Obviously fits any standard FSB.www.sogarmory.com/ProductDetails1.aspx?productID=101378
Looks just like this:
(pic courtesy of SOG Armory - FSB NOT included)$20