Description
Sometimes you just need a short stretch of Picatinny in exactly the right place, and that's where this MDT M-LOK Picatinny Rail earns its keep. It's a 2.5-inch, 5-slot section that clamps into the M-LOK slots on your handguard, forend, or chassis, turning that open real estate into a proper mounting point for whatever accessory you want to run. MDT builds these to work hand-in-hand with their own chassis systems, so the fit and finish line up with what you'd expect from their gear.
What Sets the MDT M-LOK Rail Apart
The rail is machined from 6061-T6 aluminum and then hard-anodized black, which gives you a piece that stays light but shrugs off the scuffs and weather that come with real range time and hunts. The profile is contoured so it doesn't catch on slings, bags, or clothing when you're moving around. It meets MIL-STD-1913 and STANAG 4694 rail dimensions, so standard Picatinny-mount accessories click right on without any drama.
Dialing In Your Setup With the 2.5-Inch Rail
One of the small touches that makes a real difference is the laser-etched positioning markers along the rail. If you pull an accessory off and want to put it back in the exact same spot later, those reference marks let you do it without guessing. That repeatability matters when you're swapping between a bipod, a barricade stop, or a light and want your zero and feel to stay consistent.
This is one of the shorter sections in the lineup, so it's ideal when you only need a few slots and don't want extra length hanging off the rifle. It ships with the mounting hardware needed to attach it to any M-LOK compatible surface, including MDT chassis systems, SRS and SCS buttstocks, and plenty of other M-LOK handguards and forends on the market. Bolt it on, snug down the screws, and you've got a clean, low-profile platform ready for work.
Key Specifications
- Manufacturer: MDT
- Model: M-LOK Picatinny Rail
- Manufacturer Part Number: 103150BLK
- UPC: 990482717124
- Length: 2.5 inches
- Slots: 5
- Material: 6061-T6 Aluminum
- Finish: Black Hard Anodized
- Mounting Interface: M-LOK
- Rail Spec: MIL-STD-1913 / STANAG 4694
- Rail Height: 0.370 in (9.4mm)
- Positioning Markers: Laser Etched
- Profile: Contoured for snag-free handling
What’s Included
- MDT M-LOK Picatinny Rail, 2.5" (5 slot)
- M-LOK mounting hardware (10/24 flat head screws and M-LOK nuts)
Frequently Asked Questions
What will the MDT M-LOK Picatinny Rail mount to?
It attaches to any M-LOK compatible surface, including MDT chassis systems, SRS and SCS buttstocks, and standard M-LOK handguards and forends from other brands. The rail clamps into the M-LOK slots using the included hardware. Once it's mounted, it gives you a standard Picatinny surface for your accessories.
How many slots does the 2.5-inch rail have?
This length gives you 5 Picatinny slots in a 2.5-inch section. That's enough real estate for a compact accessory like a light, laser, or short bipod adapter without adding unnecessary length to your setup.
Will standard Picatinny accessories fit this rail?
Yes. The rail is cut to MIL-STD-1913 and STANAG 4694 dimensions, so anything built for a standard Picatinny rail will mount up. The laser-etched markers also help you return an accessory to the same spot after you take it off.
Does this 2.5-inch rail include a QD flush cup sling mount?
The integrated QD flush cup sling mount comes on select larger sizes in the lineup, not on this shorter 2.5-inch section. This one is focused purely on giving you a compact Picatinny mounting surface. If a QD sling point is what you're after, look at the longer rails in the family.





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