MPN: MI-CRM10.5 / MI-CRM12.625 / MI-CRM14 / MI-CRM15


  • One piece free-float design with slim profile
  • Continuous MIL-STD 1913 Picatinny top rail
  • Two integral anti-rotation QD sling sockets
  • Two integral anti-rotation tabs
  • M-LOK slots on seven sides; allow user to mount accessories at 45-degree
  • Fully dehorned and deburred
  • 100% made in the U.S.A.
  • Mounting hardware and barrel nut wrench included


  • Material:
    • Handguard: 6061-T6 Aluminum
    • Barrel Nut: 4140 Steel
  • Finish: Mil-Spec Type III Hardcoat Anodized
  • Weight (with Barrel Nut):
    • 10.5-inch: 8.43 oz.
    • 12.625-inch: 10.05 oz.
    • 14-inch: 10.44 oz.
    • 15-inch: 11.36 oz.
  • Inner Diameter: 1.3"
  • Height: 1.97"
  • Width: 1.5"


  • Mil-Spec AR-15 upper

*Due to the many different dimensions in BILLET UPPER RECEIVERS on the market, please contact your billet upper receiver manufacture to insure fit of this handguard.

*Not for use on gas piston AR's.


  • 1x Midwest Industries M-LOK Combat Rail
  • 1x Barrel Nut
  • 2x 10-32x1/2 Mounting Screws
  • 2x Allen Wrench
  • 1x 5-Slot M-LOK Rail Section
  • 1x Midwest Industries Torque Plate
  • 1x Barrel Nut Wrench


The new Midwest Industries M-LOK rail has an innovative design that allows you to mount and orient accessories in various positions. The rail is 100 percent made in the USA and is covered by Midwest Industry’s no-nonsense lifetime warranty.

Competition Grade

The Midwest Industries combat rail is constructed with a unique one-piece free-float design with seven mounting surfaces. This allows you to mount your favorite accessories in various orientations, including at a 45-degree angle. In addition, the rail’s slim profile keeps your platform maneuverable and has two integral anti-rotation QD sling sockets for your favorite shooting sling.

Superior Design and Craftsmanship

The Midwest Industries M-LOK rail is cut from 6061-T6 aluminum features a patented 4140 heat-treated torque plate and a 4140 heat-treated barrel nut for superior strength. The attractive type-III Mil-Spec hard coat anodized finish increases durability. The rail is available in four lengths so that you can choose the one best suited to your platform. The 10.5-inch rail weighs in at just 8.43 ounces, the 12.625-inch at 10.05 ounces, the 14-inch at 10.44 ounces, and the 15-inch rail at 11.36 ounces. All four rails have the same super-slim 1.5-inch outside diameter.

No-Hassle Installation:

The Midwest Industries combat rail comes fully dehorned and deburred, and ready for installation. Installation requires no special gunsmithing skill, and all mounting hardware and a barrel-nut wrench are included. Please note that this rail is not intended for use on AR platforms with gas pistons.

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