Midwest Industries M-Series Drop-In AR-15 Handguard - Mid-Length - M-LOK

$146.95MSRP $157.95 Save $11.00

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SKU: MI-18M UPC: 816537019626

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Product description

Midwest Industries Midlength Drop-In Aluminum Handguard

Drop-in, no gunsmith installation, installs in minutes like factory handguards! (Note – this only works with mid-length gas system AR-15’s)

  • Two Piece Drop-In Handguard
  • Incredibly Lightweight (Supplied M-LOK™ compatible Rail adds .5 oz)
  • Weighs 6.6 oz
  • Solid Lock up!
  • Five anti rotation QD socket locations for QD sling swivels
  • Monolithic type continuous top rail
  • MIL-STD 1913 top rail
  • Compatible with some gas piston systems
  • Lifetime Warranty
  • 100% Made in the U.S.A.

Customer reviews 1

overclock2much Verified buyer
This fit perfectly into an older CMMG AR15. Locks tight, no wobble/twist and obviously provides much more attachment potential than the oem 9" A2 style handguard.

Thanks AT3 Tactical!
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Questions & Answers 5

  1. I know the last question asked if this mid-length works with round or triangle end caps and you responded round, but the Midwest site says triangle only, can you confirm? I'm wanting it to work with round!

    Dave · Aug 16, 2026

    AT3 Support Team — You are correct and we apologize for the confusion: Midwest Industries requires a triangle handguard cap for the mid-length M-Series, so if you have a round cap, you'll need to swap the cap or look at options like the Magpul MOE Mid-Length which accepts round caps.

  2. What kind of gas block cap is it for triangle or round

    E · May 13, 2026

    AT3 Support Team — This handguard is specifically designed to fit a round handguard cap for a mid-length gas system.

  3. Is this Midwest Industries Mid-Length Drop-In, M-LOK, Aluminum Handguard compatible with a Sons of Liberty Gun Works (SOLGW) "M4 1776 116346?"

    Michael · Feb 17, 2026

    AT3 Support Team — Yes, the Midwest Industries M-Series Mid-Length Drop-In M-LOK handguard is fully compatible with your SOLGW M4 1776 (standard mil-spec forged AR-15 upper)—perfect drop-in replacement using your existing barrel nut/gas block.

  4. Is this handguard compatible withe the m&p 15 sport 2?

    Robert · Nov 6, 2025

    AT3 Support Team — I'm afraid this mid-length version won't fit. The carbine length version should work.

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Warranty & returns

MI Limited Lifetime Warranty!

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.

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