Mission First Tactical Battlelink Extreme Duty Minimalist Stock Mil-Spec Tube Size, Collapsible, Black BMSMIL-EXD The MFT Battlelink Extreme Duty Minimalist Stock is based upon the original Minimalist" but built to withstand the abuse delivered by larger caliber platforms such as tactical shotguns or 7.62 AR's. Features include an angled" non-slip rubber buttpad" multiple sling mounting slots" enhanced cheek weld and a rear-mounted ambidextrous QD sling swivel socket. This collapsbile stock is compatible with Mil-Spec diameter carbine buffer tubes.