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MDT built this 4-inch rail to solve a simple problem: you've got an M-LOK forend or chassis and you need real Picatinny space plus a sling point without bolting on a stack of separate pieces. This section gives you 8 slots of MIL-STD-1913 mounting room and folds a QD flush cup right into the body, so your optic, light, or bipod and your sling attachment live on the same clean piece of hardware.
The rail is CNC machined from 6061-T6 aircraft-grade aluminum and finished with a Mil-Spec hard anodize, so it holds up to knocks in the field and the elements without looking beat up. MDT laser etches position markers along the rail, which is one of those small touches that pays off when you're pulling accessories on and off. If you take a scope or accessory down and remount it, those reference marks let you drop it back in the exact same spot every time. The profile is contoured to run snag-free, and at 9.4mm (0.370") tall it sits low enough to keep things compact.
This is a genuine M-LOK piece, so it attaches to any M-LOK compatible handguard, forend, or chassis. That covers MDT's own lineup including the LSS, ORYX, XRS, ACC, and ESS chassis systems, along with the SRS and SCS buttstocks, plus any other brand running M-LOK slots. MDT includes the mounting hardware in the box, so you get 10/24 flat head screws in a 1/2" length along with the M-LOK nuts. Grab a torque wrench, snug it to spec, and you're set.
The integrated flush cup is the standout here. Instead of running a separate QD sling mount and eating up rail real estate or M-LOK slots, you get a rotation-limited push-button sling point already worked into the rail. For precision rifle work, hunting, or any build where you want a tidy front sling attachment without extra bulk, that's a smart bit of engineering.
It attaches to any M-LOK compatible surface, including handguards, forends, and chassis systems from MDT or other brands. That covers MDT chassis like the LSS, ORYX, XRS, ACC, and ESS, plus the SRS and SCS buttstocks. As long as your hardware runs M-LOK slots, this rail will bolt right on.
Yes. MDT includes 10/24 flat head screws in a 1/2" length along with the M-LOK nuts needed to mount it. You just supply the tools, and torquing the screws to spec is the way to go for a secure hold.
The QD flush cup is machined directly into the rail body, so you get a front sling point without adding a separate mount or giving up M-LOK slots. It keeps the profile clean and puts your accessory rail and sling attachment on one piece of hardware. That's handy for precision and hunting builds where you want minimal bulk up front.
MDT etches reference marks along the rail so you can remount accessories in the exact same spot after taking them off. If you pull an optic or bipod for transport and put it back, those markers make repeatable setups quick and consistent. It's a small feature that saves time at the range.
| UPC | 709951103227 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 103455-BLK |
| Color | Matte Black |
| Length | 4 |
| Product Type | M-LOK |
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