Customize your weapon with lights, lasers, optics and other accessories by installing this free float M-LOK handguard. These AR Handguards & Forends developed by the experts at Geissele feature Picatinny rail sections and Magpul M-LOK technology that provides multiple options for mounting accessories. The Geissele SMR MK4 M-LOK Handguard has maximum venting to prevent overheating and reduce the overall weight. Each handguard includes a proprietary 2.25in barrel nut for installation that is ergonomically designed for enhanced accuracy and zero repeatability while assembling or disassembling for firearm maintenance. Crafted from anodized aluminum, this rail is lightweight, rugged and resistant to the elements. Upgrade your weapon with a lighter, more modular rail by using this 13.5in M-LOK handguard rail. Specifications for Geissele Super Modular Handguard Rail M-LOK MK4: Manufacturer: Geissele Finish: Type 3 Hardcoat Anodized Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Automatic Rifle Handguard Length: 13.5 in Handguard Type: Free-Float Gun Rail: Picatinny Weight: 11.8 oz Additional Features: Geissele’s Proprietary 2.25 Long Barrel Nut Included Accessories: Standard Inner Diameter: 1.35 in Outer Diameter: 2.11 in Height: 2.4 in Country of Origin: USA Quantity: 1 Mount Type: M-LOK Base/Mount Type: M1913 Picatinny Features of Geissele 13.5in Super Modular Rail M-LOK MK4 Handguard: Integrated M1913 Picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions Maximum venting for heat dissipation and ultra-lightweight design Magpul M-LOK technology at the 3, 6, and 9 o’clock positions, as well as the upper 45 quadrants Includes Geissele’s proprietary 2.25in long barrel nut that increases accuracy and zero repeatability during disassembly and reassembly when performing maintenance Package Contents: Geissele Super Modular Handguard Rail MLOK MK4 NOTE: IF THIS IS YOUR FIRST TIME PURCHASING A GEISSELE AUTOMATICS RAIL, YOU WILL NEED TO PURCHASE A BARREL NUT WRENCH IN ORDER TO PROPERLY INSTALL THE RAIL.
6 reviews for Geissele Super Modular Handguard Rail M-LOK MK4
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Jono –
You can't beat this quality. Tt feels like I could pry open a door with this thing. Installation was a breeze and it fits really nicely into my hand. You certainly get what you pay for AND a really nice gas block. Just wish it included the Geissele swag pack 😛
Oakes –
I did plenty of research before deciding on the Geissele MK4. Others required weird adhesives or strange mounting. This one had a very nice barrel tube nut and I really liked the "bomb proof" roll pin on the gas block. The install manual is easy to follow and explained how to not only use the set screw on the gas block (drilling small pilot holes for them to sink into), but it also detailed how to drill a 3/16" hole in the bottom of the gas block and install a roll pin, that makes it virtually indestructible.Overall, the fit and finish is perfect and exactly what I was looking for. I was worried when I ordered it that it would be too short looking on my 16" barrel, since I have a 12" forend from another company that was. Once installed, I was glad I ordered the 13", as it looks perfect.
Skeds –
Best rail you can get. Anything Geissele. Best fit and finish. Expensive but worth it. Will not be dissatisfied with any Geissele rails. I’ll be buying more of them
Julian Banning –
I was hesitant at first with how much more expensive this hand guard is compared to others. Once it arrived I couldn’t have been happier. This hand guard just feels like quality, and makes my firearm feel and look brand new. Highly recommend.
Ronoc –
As with every G product. This is a great handguard.
CM –
This thing is quite rigid for mostly being mlok. Has a great mounting system. Only thing is that the barrel nut is aluminum and pretty soft if you make a slip while torquing it. I marred mine pretty bad with 1 slip. I was surprised at the chunk of aluminum that came off. Still works fine and lockup is great.