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M-LOK Exterior Forend Weights (Pair)



These weights mount on to the exterior of any chassis or stock that is M-Lok compatible. They mount using standard hardware and M-LOK T-nuts, meaning that you can install and remove them as necessary on your system. A pair of weights and hardware will add 0.78 lb to your chassis/stock.


  • Integral QD flush cups to attach slings and other accessories
  • 2 mounting holes spaced 80 mm (3”) apart, requiring the use of 2 full M-Lok slots to ensure proper mounting


This product has been designed to fit any chassis or stock that is M-Lok compatible. These weights will fit on the MDT ACC, ESS, TAC21 (M-Lok forend) and LSS-XL Gen2 chassis.

Hardware Included

  • Four #10-24 x ½” Button Head Cap Screws
  • Four standard M-Lok T-Nuts


MDT M-LOK Exterior Forend Weights dimensions
  • Weight: 0.78 lbs / weight pair (including screws).
  • Material: Case-hardened Steel

Important Notes

Do not over torque mounting screws past 30 in/lbs. Use blue Loctite as necessary during installation.

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