MI G4M Gen 4 M-Series Free Float AR-15 Handguard - M-LOK - 5 Lengths Available
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- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- MI Limited Lifetime Warranty! what it covers
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Product description
The MI-G4M Series Handguard is A Lightweight & Rock-Solid Upgrade For Your AR Build
The Midwest Industries G4M Series is a lightweight M-LOK compatible free float handguard designed to improve upon the AR-15 platform. It features a super-slim 1.5″ outside diameter that reduces unwanted bulk and maintains the low-profile feel on your AR build.
The G4M handguard features a rock-solid lock-up design that utilizes MI’s torque plate system and delivers seven sides of M-LOK slots so users can enjoy numerous accessory mounting options.
Fully Dehorned For a Non-Abrasive, Comfortable Feel
The Midwest Industries G4M Series is constructed from rugged 6061 aluminum with hard coat anodizing and comes fully dehorned for a non-abrasive, comfortable feel. It promotes simple and easy installation and delivers a great upgrade for your AR-15 build with reliable features that will last a lifetime.
Features:
- 4140 Heat Treated Barrel Nut and Wrench
- Patented 4140 Heat Treated Torque Plate
- 10.50″, 12.625”, 13.375”, 14”, and 15” models
- 8.8 – 11.5 oz (Depending on Model)
- 6061 Aluminum Type 3 Hard Coat Anodized Finish
- Continuous MIL-STD 1913 Picatinny Top Rail
- Five Integral Anti-rotation QD Sling Sockets
- Super Slim 1.5” Outside and 1.3” Inside Diameter
- Seven Sides of M-LOK™ Surfaces
- 5-Slot Polymer M-LOK™ Rail Included
- Fully Dehorned and Deburred
- 100% Made in USA
- MI Lifetime Warranty
All 5 options on this page
- MI G4M Gen 4 M-Series Free Float AR-15 Handguard - M-LOK - 5 Lengths Available - Length: 15 Inch SKU MI-G4M15 · UPC 812102033028
- MI G4M Gen 4 M-Series Free Float AR-15 Handguard - M-LOK - 5 Lengths Available - Length: 14 Inch SKU MI-G4M14 · UPC 812102033011
- MI G4M Gen 4 M-Series Free Float AR-15 Handguard - M-LOK - 5 Lengths Available - Length: 13.375 inch SKU MI-G4M13.375 · UPC 812102033004
- MI G4M Gen 4 M-Series Free Float AR-15 Handguard - M-LOK - 5 Lengths Available - Length: 12.625 Inch SKU MI-G4M12.625 · UPC 812102032991
- MI G4M Gen 4 M-Series Free Float AR-15 Handguard - M-LOK - 5 Lengths Available - Length: 10.5 inch SKU MI-G4M10.5 · UPC 812102033035
Customer reviews 4
Verified buyerAT3 Tactical · Thank you for your kind words! We're glad to hear that you're satisfied with the durability and quality of our MI G4M Gen 4 M-Series AR-15 M-LOK Handguard. We strive to provide our customers with the best products possible. Thank you for choosing our handguard and happy shooting!
AT3 Tactical · Thanks for the review! We're glad you like it!
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!
Questions & Answers 2
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Hi, Does this MI G4M Gen 4 M-Series Free Float AR-15 Handguard – M-LOK, fit your slick side upper?
Vitoss · Nov 24, 2025AT3 Support Team — It will work with our Slick Slide Upper but it the anti rotation tabs won't marry our upper.
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Looking to upgrade my Saint pistol. It does not have the blast diverter. I’m look for a free floating hand guards. Please send me pictures of available options
Antonio Lancaster · Oct 22, 2024AT3 Support Team — Hi Antonio! We sent you an email to further help.
Warranty & returns
MI Limited Lifetime Warranty!
Midwest Industries Limited Lifetime Warranty
- Midwest Industries, Inc. stands behind every item we produce. If you are the original purchaser and a MI product fails due to manufacturing, assembly, or material defect, and you have not modified or abused the item, it will be repaired or replaced for life.
- Modification or alteration to these parts including custom coatings, voids all factory warranties.
- We are not responsible for items intentionally/accidentally damaged or destroyed, or products damaged by abuse/poor maintenance.
- This warranty is limited to the repair or replacement of the part or parts which are returned to Midwest Industries, Inc. and are determined by Midwest Industries, Inc. to be defective.
- This warranty, made to the original owner/purchaser, is not transferable.
The following items are excluded from this warranty:
- Normal wear of product finishes and of all metal or plastic parts.
- Damage or malfunction resulting from accident, negligence, misuse, or unauthorized repair or modification.
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
