Description
The MDT Rear Bag Rider gives an M-LOK buttstock an extra 5 in of flat, horizontal surface to ride a rear bag, which keeps recoil linear and makes multiple shooting positions easier to build. The rounded profile stops it snagging on bags and gear. It is machined from 6061-T6 aluminium, Type III hard anodised black, weighs 0.215 lb and attaches with the included M-LOK hardware to MDT ACC, ESS, SRS V5 and later M-LOK buttstocks (MDT also offers steel and bolt-on versions for legacy stocks). A simple upgrade for PRS-style matches, bench work and long-range hunting rests.
Key features
- 5 in flat horizontal bag-riding surface
- Rounded profile reduces snagging on bags and gear
- 6061-T6 aluminium, Mil-spec Type III hard anodised
- Weight 0.215 lb (approx. 98 g)
- M-LOK mount with hardware included
- Fits MDT ACC, ESS, SRS V5 and other M-LOK buttstocks
Frequently asked questions
Which MDT buttstocks does it fit?
M-LOK buttstocks — ACC, ESS, SRS V5 and newer. Legacy buttstocks without M-LOK use MDT’s bolt-on version.
Does it fit non-MDT stocks?
It attaches to any buttstock with M-LOK slots on its underside.
Is a licence needed?
No — it is an unrestricted chassis accessory.
Specifications from MDT (mdttac.com).
Firearm parts and accessories are supplied by 3 Gun Tactical, Licensed Firearms Dealer 50001578, Tingalpa QLD. No licence is needed to buy chassis accessories, rails or hardware, but check your state’s firearm-parts rules before ordering.





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