Midwest Industries SP Suppressor Compatible AR-15 Free Float M-LOK Handguard

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Midwest Industries Suppressor Compatible Handguard

The Midwest Industries SP Series M-Lok Handguard is made from 6061 aluminum, and hard coat anodized for a lifetime of service.  This handguard features a 1.75 inch inside diameter, which is perfect for attaching 5.56 or 7.62 suppressors underneath it. Solid construction, light weight for the size, and high quality finish. Proudly made in the USA.


  • Extremely rugged, one piece free float design and construction
  • Featuring seven sides of M-LOK™ compatible slots
  • Inside diameter 1.75 inch, outside diameter 2.0 inch, 1.95 inch over mounting flats
  • US Patent Number 9,453,694
  • High quality MIL-STD 1913 top rail, T-marked for accessory location
  • One five slot Magpul® M-LOK™ polymer rail section included
  • Barrel nut wrench included
  • Construction from 6061 aluminum, hard coat anodized for a lifetime of service
  • MI Lifetime Warranty
  • 100% Made in America – Keeps America Working

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. This handguard is compatible with forged upper receivers as well as the Midwest Industries billet upper receiver. NOT FOR USE ON GAS PISTON AR’s!

Have Questions About this Product?

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.

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:

  1. Normal wear of product finishes and of all metal or plastic parts.
  2. Damage or malfunction resulting from accident, negligence, misuse, or unauthorized repair or modification.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 6 reviews
Joe A.
Fits the SI Oppressor- love it!

I replaced my thin 13.5 handguard (16 inch barrel) with this because it looked silly with several inches of barrel and a can of corn on the end. The Opressor now tucks in about 1/4 inch and looks great. If I ever get a suppressor for this AR, I can pick one that tucks just a tad for that clean look. Or even a shorter barrel (for the AR pistol) with the suppressor tucking even further. Super solid barrel nut with a good setup for the gas tube. I added a little weight but I also ate my spinach, so it’s all good. Took a quick picture for you visual type folks like myself.

Thanks for taking the time to share your feedback. We're glad we are satisfied with your purchase!

Chris Saul
Great handguard

The design of this handguard is great ,easy to hold ,not to heavy. I will buy one for my 308 build i am doing now.

Herbert Sandoval
overall a good buy.

It's solid, barrel nut on this model requires indexing, it could be simpler to install without having to index it. The handguard is nice and offers a lot of clearance around the barrel and other components and that is a plus! It lacks a built in QD mount point. I would recommend it.

Jeffery Jarrell
MI SP AR-15 Handguard M-LOK

Great product.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.

Michael Bennett
Great Hand guard

Quality hand guard for a great price and I received the package very quickly.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.