MI Midwest Industries Lightweight M-LOK Free Float Handguard AR15 AR-15 Forearm
Not piston compatible due to the weight relieved top rail. Select standard version for piston systems.
MAG581 ALUMINUM 5 SLOT 2.5" RAIL
Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined from milspec-anodized aluminum, M-LOK Rail Sections also feature beveled ends to reduce snagging and eliminate sharp corners and edges. All hardware necessary for attachment directly to M-LOK Slots on either aluminum or polymer hand guards and forends is included. 5 Slots, max overall length of 2.5".
Keymod vs M-Lok: Which Will Set the Standard?
In 2012 Vltor introduced an “open source” universal attachment system for accessories called Keymod. The desire was brilliant to create an industry standard for directly mounting handguard accessories in a well engineered system with specifications available free for any manufacturer to use. Similar to a classic Beta vs VHS video tape battle, at the 2014 NRA annual meeting, Magpul introduced a new “open source” accessory attachment system known as M-Lok. While both systems are well designed and have the same goal, they have different solutions to the modular rail. I believe both will be around for quite some time since Keymod struck first and has quickly established a well accepted place industry wide. In addition to the powerful Magpul name though, M-Lok does offer several advantages that I feel will push it to the top: