MDT Chassis M-LOK Aluminium Picatinny Accessory Rails with Flush Cup Sling Mount

$46.95$83.95 inc. GST

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 (no QD flush cup mounts on 1.5″, 2.5″ and 3.15″ lengths)
  • Height 9.4mm (0.370”)
  • Hardware included:
    • 10/24 flat head screws in ½” length
    • M-Lok nuts
  • Made in Canada

NOTE: If you prefer to buy Australian Made, we also manufacture our own M-LOK Picatinny Accessory Rails in various sizes. Available at the following links.

No Sling Mount:

With QD Flush Cup Sling Mount:



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.



  • 1.5in (3 slots), no QD mounts
  • 2.5in (5 slots), no QD mounts
  • 3.15in (7 slots), no QD mounts
  • 4.0in (8 slots), one QD mount
  • 5.0in (10 slots), one QD mount
  • 5.5in (12 slots), one QD mount
  • 6.5in (14 slots), one QD mount
  • 7.0in (15 slots), two QD mounts
  • 7.9in (17 slots), two QD mounts
  • 8.6in (19 slots), two QD mounts
  • 9.4in (21 slots), two QD mounts

MDT Chassis Fitment

Forend Face Max M-LOK Picatinny rail Length
LSS-XL All around 9.4″
LSS-RF Bottom 6.5″
Sides 8.6″
ESS 12″ Bottom 4″
Angled 5.5″
Sides 8.6″
ESS 15″ Bottom 8.6″
Angled 9.4″
Sides 9.4″
ESS 18″ Bottom 9.4″
Angled 9.4″
Sides 9.4″

ATP is an authorised Australian dealer for MDT. All MDT products bought from ATP are covered by the Australian MDT Warranty.

Weight 0.101 kg

1.5in (3 slots), 2.5in (5 slots), 3.15in (7 slots), 4.0in (8 slots), 5.0in (10 slots), 5.5in (12 slots), 6.5in (14 slots), 7.0in (15 slots), 7.9in (17 slots), 8.6in (19 slots), 9.4in (21 slots)


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