MDT aluminium M-LOK Picatinny rail with sling mounts — 6061-T6, hard anodised MIL-STD-1913 rail sections with laser-etched index marks; the 5 in (103142) and 6.5 in (103143) lengths carry an integral QD flush-cup sling socket, the 2.5 in (103150) is a plain section. Choose the size above.
Price range: $69.00 through $89.00
MDT’s M-LOK Picatinny Rails add a MIL-STD-1913 rail to any M-LOK forend or buttstock for bipods, lights and accessories. They are machined from 6061-T6 aluminium, hard anodised black, 9.4 mm (0.370 in) high, and carry laser-etched positioning markers so repeat setups land in the same slot. The 5 in and 6.5 in versions include an integral QD flush-cup sling socket; the 2.5 in version is a plain section that also works as a monopod or bag-rider rail on the buttstock. All lengths include the 10/24 screws and M-LOK nuts and fit MDT ACC, ESS, LSS, HNT26, Oryx and XRS chassis, SRS/SCS buttstocks and any other M-LOK surface. This 3GT listing covers the 2.5 in, 5 in and 6.5 in rails.
Which sizes have the QD sling cup?
The 5 in and 6.5 in rails. The 2.5 in rail is a plain Picatinny section.
Will it fit a non-MDT M-LOK handguard?
Yes — any M-LOK slot pattern; the rail needs consecutive slots matching its length.
Can I mount a bipod and a sling on the same rail?
Yes on the 5 in and 6.5 in rails: clamp the bipod to the Picatinny slots and clip a push-button QD swivel into the flush cup.
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.
MDT’s M-LOK Picatinny Rails add a MIL-STD-1913 rail to any M-LOK forend or buttstock for bipods, lights and accessories. They are machined from 6061-T6 aluminium, hard anodised black, 9.4 mm (0.370 in) high, and carry laser-etched positioning markers so repeat setups land in the same slot. The 5 in and 6.5 in versions include an integral QD flush-cup sling socket; the 2.5 in version is a plain section that also works as a monopod or bag-rider rail on the buttstock. All lengths include the 10/24 screws and M-LOK nuts and fit MDT ACC, ESS, LSS, HNT26, Oryx and XRS chassis, SRS/SCS buttstocks and any other M-LOK surface. This 3GT listing covers the 2.5 in, 5 in and 6.5 in rails.
Which sizes have the QD sling cup?
The 5 in and 6.5 in rails. The 2.5 in rail is a plain Picatinny section.
Will it fit a non-MDT M-LOK handguard?
Yes — any M-LOK slot pattern; the rail needs consecutive slots matching its length.
Can I mount a bipod and a sling on the same rail?
Yes on the 5 in and 6.5 in rails: clamp the bipod to the Picatinny slots and clip a push-button QD swivel into the flush cup.
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.
| Size | 2.5", 5.0", 6.5" |
|---|---|
| Brand | MDT |
| Model | M-LOK Picatinny Rail with QD sling mount |
| MDT part numbers | 103150-BLK (2.5 in), 103142-BLK (5 in), 103143-BLK (6.5 in) |
| Rail height | 9.4 mm (0.370 in) |
| Standard | MIL-STD-1913 / STANAG 4694 |
| Sling mount | QD flush cup on 5 in and 6.5 in |
| Mount | M-LOK |
| Material | 6061-T6 aluminium |
| Finish | Mil-spec hard anodised, black |
| Included | 10/24 flat-head screws, M-LOK nuts |
| Availability | Available on back-order |
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