The M-LOK Revolution Is Coming

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Magpul recently released their M-LOK system – you have probably already heard that. You may have wondered why the market needed yet another mounting system – we certainly did. Well stand by. We are going to tell you why so many of us here at BB&C think its ingenious.

Magpul has been increasingly expanding their product line ever since the “original Magpul” came out in 1999. The company recently announced its intention to pursue a modular accessory locking system dubbed “M-LOK” and it is encouraging other manufactures to get on board with the design. After initially viewing the press release for M-LOK, we were confused as to why the market needs a new mounting system. After all, there are already many options. There is the legacy military system (Picatinny) rail, KeyMod,  and assorted other forearms that use simple holes and slots of various dimensions (including Magpul’s own MOE polymer line) to mount accessories.

It seems like every week a new free float forearm  is hitting the market, with everyone taking their own crack at what is “ideal”. Unfortunately, not all of those handguards  or the accessories that attach to them maintain compatiblity with each other. The Keymod system has come close, but still suffers from several issues and can have operator errors caused by improper assembly. Seeing  a void in this market, Magpul set out to create a superior, affordable and lightweight system that is as rugged as it is foolproof. After speaking with Magpul’s  bearded beauty Beau Hickman at SOFIC, and having him break the M-LOK  system down for us Barney style, we are convinced.

It’s undeniable that its going to be the wave that sweeps over the firearms industry and changes everything. Here is why.

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The MIL-STD-1913 Picatinny rail feels like a lunchbox, turns into a waffle iron when the gun gets hot, has plenty of sharp edges, and is heavy, but it has the advantage of being standardized in much of the world.

The MIL-STD-1913 Picatinny rail was the first attempt at a modular, user adjustable system for optics and accessories. At the time (this was the early 1990s) it was the best option.You can see the similarity between Pic and weaver style rails. The downside was the amount of machining  that goes into the system, as well as weight, bulk and cost. The long and short? It feels like a lunchbox, turns into a waffle iron when the gun gets hot, has plenty of sharp edges, and is heavy. The plus is that it’s pretty much “world standard” now and there are plenty of manufactures that make great quality forearms as well as accessories. Regardless, it is a dated system. The important thing to remember is it was created as a means to attach optics to weapons while retaining zero. It just happened to expand and evolve into a means of attaching vertical grips, bipods and flashlights as a natural form of progression.

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Grey Ghost Gear

We will skip over the “holes and slots” systems that were first utilized by bolt-on accessories for M16 oval hand guards, as well as early competition-style free float forearms. There are so many styles and dimensions there are whole companies existing just to produce compatible parts (think Impact Weapon Components and the like). The next step in the right direction to be created was the KeyMod system, first popping up only a few years ago. The KeyMod system is immediately recognizable by its industrial shelving style keyhole, the kind you see utilized at the Home Depot, Lowes and big-box stores.

This interface system was created by VLTOR and popularized by several premier rifle builders like Noveske. It is an open-source design that is much more streamlined and lightweight in comparison to Picatinny rail, but still requires a large amount of machining to create the perfect teardrop shaped “key” that accessories must lock into. There are more companies producing KeyMod accessories as time goes on, and it is growing in popularity. With the lighter weight and a more ergonomic feel (vs. Picatinny rails), its growing fan base is understandable. The downside? Some companies are producing Keymod compatible forearms that are too light and are fragile in comparison to the Pic rails. Machine time affects cost just as it does with Pic rail, and accessories can fall off if the user doesn’t properly install the accessory. Adding to this issue is the tendency of some manufacturers to deviate from the original specifications. This is actually still an ongoing problem with some Picatinny rails now twenty years later.

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The M-LOK system is an evolution of their simple, reliable MOE slot system. By increasing the size of the slots found on MOE polymer hand guards and squaring off the ends, Magpul has creating a amazingly effective system for accessory attachment -and from the looks of it, it’s a superior one. The direct mount capability relies more on the accessory than on the forearm. As long as you make a forearm that has the properly sized slots (which is much more quick and simple to manufacture), you can enjoy quick change ability of accessories through the M-LOK cam action built into the accessory itself. There is no need to access the backside of the rail, it is multidirectional (you cannot put anything on “wrong”) and is as equally effective on metal as it is on polymer handguards.

The T-nut is self aligning, strong and easy to use. The T-nut plate is the key, not only because of how cheap and easy it is to make, but also because it cams and locks on its own as you turn the Allen wrench.  For obvious reasons the M-LOK is open source. Magpul is encouraging manufactures to embrace the simplicity and versatility of the design, which is the main advantage.  This  just makes good business sense. There are already numerous aftermarket part manufactures gearing up to product accessories for M-LOK; Geissele Automatics and  Kreb’s custom are just two, with the list growing daily. With the design’s 4-axis recoil mitigation, backwards compatatibilty with existing MOE sized slots and robust simplicity, it’s hard to imagine this not soon becoming the new industry standard.

Does these things mean other mounting systems are in all ways inferior? Not at all; Pic rails remain ubiquitous and preferred by many, and several of our minions are big fans of Keymod. M-LOK’s advantages are however significant and compelling enough that you should review it as an option before making any future purchases. Honestly, it’s so amazingly simple, it’s hard to imagine that it has taken this long to be thought up and brought to fruition. We are excited to see this system first hand and now fully comprehend how much of a landmark change it’s going to be.

Check it out for yourself, and stay posted for our updates on this revolutionary means of tricking out your favorite Blaster.

Mad Duo, Breach-Bang & CLEAR!

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2 thoughts on “The M-LOK Revolution Is Coming

  • June 3, 2014 at 9:17 pm
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    M-LOK is not open source. It is a patent pending, royalty-free licensed system.

    Reply
  • June 3, 2014 at 9:16 pm
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    is M-Lock going to offer a stabile way to mount optics? Say—on the top of a forearm, or even eventually as an option for “Flat-Top” receivers (the rifle would come with an M-Lock milled into the top of the receiver)?

    One of the big attractions to Pic rails is that I can mount anything I want anywhere on the rifle there is a Pic rail. I.E. if I wanted to put a flashlight mount or laser on the top or side of my forearm I can, and I can use that same fore-arm top to mount an Aimpoint or other device. Have 2 mounting systems on one rifle takes away that modularity–not that it’s any less so than KeyMod or the competitive products out there.

    The biggest problem I see with all the “fixes” to the picatinny rail is that most of them rely on converters to picatinny to mount anything important (sights, etc.) anyways.

    Reply

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