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m lok

M-LOK, for Modular Lock, is a free licensed firearm rail interface system developed and patented by Magpul Industries.
M-LOK allows for direct accessory attachment onto the "negative space" (hollow slot) mounting points, and is a competing standard to VLTOR's open sourced KeyMod system for replacing the ubiquitous Picatinny rail in some applications. Compared to the Picatinny rail system, both M-LOK and KeyMod enable the user to have a slimmer, lighter, smoother and more fenestrated handguard/fore-end with accessories mounted only where needed, whereas a Picatinny handguard typically will have rail slots for its whole length resulting in a heavier and bulkier handguard with sharp edges and poorer barrel ventilation.
The M-LOK system can be seen as an evolution of the Magpul Original Equipment (MOE) system, but the two are not fully compatible. Though newer M-LOK accessories can be used on older MOE slot handguards if an adaptor plate is used, there is no adaptor available for using older MOE accessories on the newer M-LOK handguards.

View More On Wikipedia.org
Recent contents
  1. Victory1633

    Bravo B5 Aero Quantum

      1. For Sale
    • $80
    • Oregon City
    • Oregon
    New, bravo B5 buttstock and grip, 12.7" Aero Quantum handguard
  2. .45's and .38's

    Scout mount m lok - I need 1913

      1. For Trade
    • $1234
    • Portland
    • Oregon
    Here is a Arisaka inline scout mount M LOK I need a surefire mount for my light that is 1913 for picatinny If you have one but don’t need my m lok mount I have cash or other trade Gresham
  3. RuckusReckus

    Arisaka Momentary Tailcap

      1. For Sale
    • $20
    • Portland
    • Oregon
    Selling an Arisaka momentary tailcap that fits the scout bodies, and whatever else is compatible. Momentary only for those that follow That school of thought. $20.
  4. RuckusReckus

    DIY M Lok slots

    Saw a photo on reddit of a 10/22 takedown with a two piece bipod. Thought it was an interesting solution, so I got one of those bipods from a member here, drew out a pair of m lok slots on either side of the handguard, and cut them out with a dremel type tool. Cleaned up quite well, and now I...
  5. RuckusReckus

    Arisaka side scout mount m lok

      1. For Trade
    • Portland
    • Oregon
    I took an Arisaka side scout mount off a Surefire I just got in trade, and before I buy the mount I need, thought I would try here. I have this: https://arisakadefense.com/side-scout-mount-m-lok/ I would like to trade for a Surefire scout mount that is offset, and works with either keymod, or...
  6. G

    Midwest Industries carbine length 2 piece drop in m lok handguard

      1. For Sale
    • $80
    • Gresham
    • Oregon
    Never ended up installing this handguard as I sold the rifle it was intended for a while back. I paid $125 new.
  7. .45's and .38's

    10.5” M lok rail - I need 4” - 7” only

      1. For Trade
    • $1234
    • Portland
    • Oregon
    I have a brand new in original box handguard for trade . This has barrel nut screws everything needed to install. The rail is a Midwest industries Combat Rail 10.5” exact length and is M LOK I have a brand new aero gas block I will include if I get a solid 4” - 7” rail , for a great deal I can...
  8. .45's and .38's

    BCM rear grip , M lok stuff

      1. Want to Buy
    • Portland
    • Oregon
    Looking for any BCM rear grip in black OD or FDE Looking for Black or FDE M lok rail covers Looking for a M lok Handstop , fingerstop or AFG Got cash or 223/40 cal to trade
  9. H

    Gun parts, M lok, AR pistol grips, trigger locks

      1. For Sale
    • Washougal
    • Washington
    (2) basic AR pistol grips 10.00 each (1) magpul AR grip with bottom plate 15.00 (2) 60 degree MLOC mounts 25.00 each Pistol trigger locks 12.00 FN 308 10rd clip 20.00
  10. .45's and .38's

    Small AR M lok parts

      1. For Sale
    • $40
    • Portland
    • Oregon
    Stuff I don’t need Griffin armament M lok Handstop and rail panel Arisaka QD sling mount M lok Flash can - blast diffuser 1/2-28 $40 Trades for other crap Yes 181st ave Portland firm
  11. skvnk

    Aero s-one M-lok handguard

      1. For Sale
      2. For Trade
    • $115
    • Portland
    • Oregon
    This is an FDE 9.2" S-One M-Lok handguard. It comes in an R-one handguard box with all the accessories, tools, and original box content. Basically, my rifle came with the S-one and I changed it to the R-one, so you get all the stuff that comes in the box. List price $185, gently used. Would...
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