The BT80 M-LOK® Flush Cup Rail is designed for use with all M-LOK® compatible hand guards, forends and buttstocks. It has 5 usable slots and a flush cup allowing the use of Flush Cup sling swivels and sling studs (neither provided). The BT80 can be used to attach any of our Picatinny rail mounted Atlas® Bipods, Accu-Shot® Monopods or Folding Foregrip. It requires standard M-LOK® sized slots for mounting.

Machined from 6061-T6 aluminum and Type III hard coat anodized. It comes with two 10-24 x 3/8 fasteners and two M-LOK® nuts.