MPN: MI-G4M10.5 / MI-G4M12.625 / MI-G4M14 / MI-G4M15


  • One piece free-float design with slim profile
  • Continuous MIL-STD 1913 Picatinny top rail
  • Five 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: 8.54 oz.
    • 12.625-inch: 10.1 oz.
    • 14-inch: 10.58 oz.
    • 15-inch: 11.57 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 G4 Free-Float 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 Midwest Industries G4 Handguard provides the practical features that serious shooters need in a durable platform that can be used for years to come.

Strategically Practical Design

Midwest Industries designed this handguard to be a free-floating, one-piece, slim profile construction, ideal for supporting improved handling.

The G4 also features five anti-rotation QD slings, two anti-rotation tabs, a MIL-STD 1913 Picatinny rail consecutively across the top, as well as seven M-LOK slots at 1, 3, 5-7, 9, and 11 o'clock locations, ideal for mounting accessories that you need for your mission.

Your handguard will arrive ready to support your plan to be defense ready; mounting hardware and a barrel nut wrench are included, helping you streamline the install.

Made For Long Term Durability

The Midwest Industries G4 Handguard is constructed from durable materials; the handguard is 6061-T6 Aluminum, and the barrel nut is 4140 Steel. Then the entire handguard is treated with a Type III Mil-Spec Hardcoat Anodized finish to maximize its useful life.

*Before purchasing the Midwest Industries Lightweight Combat Rail, contact the manufacturer of your billet upper receiver to assure proper fitting, as there is a vast assortment of size variations on the market.*

Have a question?

Ask an Expert

Frequently Bought Together

  • This Item: Midwest Industries G4 Free-Float M-LOK Combat Rail
    Choose Options
    $167.95 - $199.95

Total Price:

Add to Cart