ATP Ultimate Bag Rider for MDT Buttstocks, M-LOK Mount – Australian Made

$69.95 inc. GST

We only use quality gear at Australian Tactical Precision (ATP), this principal also extends to the products we manufacture.

One size does not fit all, that also applies to bag riders. There are many rear bag manufacturers out there and the spacing between the ears can be significantly different. Some bag riders are quite wide and if you try using these with a bag that has 10mm or 3/8″ spacing then it won’t track well, likewise if you use a thin bag rider in a wide bag. We’ve seen bag riders that are round on the bottom edge but this also doesn’t help with accuracy as it promotes cant. Other bag riders are also not very high so your buttstock sides can foul on the bag ears.

Our Ultimate Bag Riders are made in 3 different widths to fit the majority of rear bag spacings, 10mm (3/8″), 13mm (1/2″) and 19mm (3/4″), measure the lowest section between the bag ears to see which will be the best fit. If you are using a flat rear bag without ears, then the 19mm (3/4″) version is the best option. All these bag riders are the same length 140mm (5.5″). These bag riders are parallel to the front section of the MDT chassis and barrel so will track without any elevation change. All edges are chamfered and contoured to avoid snagging.

NOTE: These bag riders will fit all MDT buttstocks that have the M-LOK slot on the underside with the exception of the Oryx Chassis and the ACC Elite as these models don’t have an angled M-LOK slot. However, we do make bag riders for these models, please see our other listings.

Our Bag Riders are made in Australia from a solid piece of Australian made 6061-T6 aircraft aluminium bar stock on USA made CNC machines, and are MIL-Spec Type III hard coat anodised for the ultimate in scratch resistance.

Includes screws and M-LOK nuts.

We are licenced by the M-LOK patent holder to manufacture M-LOK accessories so you can be confident that our rails will fit any M-LOK slots made to official specifications.


  • Made from 6061-T651 aircraft aluminium for durability yet are light weight
  • MIL-Spec (MIL-A-8625) Type III Hard Coat anodised
  • Includes M-LOK mounting hardware
  • Will fit on M-LOK slot equipped MDT Chassis and Buttstocks
  • Made in Australia

All ATP products are covered under our lifetime warranty against manufacturing defects.

Weight 0.19 kg

10mm (3/8"), 13mm (1/2"), 19mm (3/4")


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