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The BT73 M-LOK® Rail is designed for use with all M-LOK compatible hand guards, forends and buttstocks. It has 3 usable slots for attaching any of our 1913 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. Available in black only.

  • Length: 1.575″
  • Width: 0.835″
  • Weight: 0.59 oz

Proudly designed, engineered, machined and assembled in america
For a direct M-LOK to “NC” (No Clamp) Atlas Bipod interface, check out our BT70: Atlas M-LOK® Adapter

Out of stock



Recommended Torque Specs for Installation as directed by Magpul Industries Corporation:

  • For attaching accessories to metal hand guards: 35 in/lbs
  • For attaching accessories to polymer hand guards: 15 in/lbs
  • The installation torque values are not minimums, they are recommended limits.


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