Mission First Tactical Battlelink Utility Stock, Fits 6 Position, Commercial Dia Minimalist Size, Mil-Spec, M4 Collapsible Stock, Black BMSMIL The MFT Battlelink Minimalist Stock ensures that all of the functional requirements of a rifle stock are met while keeping the overall weight under 6 ounces. It is the lightest stock of its kind in the market. Features include an angled" non-slip rubber buttpad" multiple sling mounting slots and a single bottom-mounted QD sling swivel socket. This collapsbile stock is compatible with Mil-Spec diameter carbine buffer tubes.