M-LOK Picatinny Rail




MDT’s M-LOK Picatinny Rails are designed to be a reliable addition to our chassis systems when installing various accessories on your bolt action rifle. They are machined from 6061-T6 aluminum, then hard-anodized black for a durable finish. The rails also feature laser etched positioning markers making repeatable set ups easier. They come in a variety of lengths, feature an integral QD flush cup sling mount on select sizes and include the necessary hardware for mounting to M-LOK compatible attachment systems, which are currently integrated in many of our chassis system and forend designs.


  • Compatible with M-Lok attachment systems only
  • MIL-STD-1913 & STANAG 4694 spec rails
  • CNC machined from 6061-T6 aircraft grade aluminum
  • Mil-Spec Type III hard anodized
  • Laser etched position markers for quick reference
  • Contoured for snag-free operation
  • 11 length options
  • QD flush cup sling mount on select sizes
  • Height 9.4mm (0.370”)


  • 10/24 flat head screws in ½” length
  • M-Lok nuts

MLOK Picatinny MDT Rails Chart


MDT’s M-Lok Picatinny Rails are compatible with M-Lok attachment systems only, such as our LSS-XL Gen2 chassis system, our ESS & TAC21 forends and our SRS V5 buttstock. Additional MDT products will feature the M-Lok attachment system in the near future.

MLOK Picatinny rails table 2

MLOK Picatinny rails table 3

Additional information


1.5" (3 slots), 2.5" (5 slots), 3.15" (7 slots), 4"(8 Slots/1 QD), 5" (10 slots/1 QD), 5.5" (12 slots/1 QD), 6.5" (14 slots/1 QD), 7" (16 slots/2 QD), 7.9" (18 slots/2 QD), 8" (20 slots/2 QD), 9.4" (22 slots/2 QD)


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