The Atlas BT70 M-Lok Adapter is an interface between all Atlas bipods with the "NC" designator in their names and M-LOK style mounting systems. The BT70 is machined from 6061-T6 aluminum and Type III hard coat anodized and comes with two 3/8 fasteners and two M-Lok nuts. It requires two (2) M-Lok standard sized slots for mounting.NoteCompatible with the following Atlas Bipods with "NC" designator: (BT10-NC, BT46-NC, BT47-NC, BT35-NC, BT65-NC, BT69-NC). FeaturesMachined from 6061-T6 AluminumType III Hard Coat AnodizedIncludes two 3/8 fasteners and two M-Lok nuts