FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Special offer available for this product. Click here to see!
Government Export Restriction Government Export Restriction
Questions & Answers
Will this fit the hk 416 chambered in 22lr? Expert Answer

The Midwest Industries HK416/MR556 Handguard is not compatible with a 416 chambered in .22LR as a proprietary handguard is used.

by Ethan, Gear Expert, November 23, 2022
What is the interior dimensions of this handguard? I’m hoping to run a 1.5” suppressor under it. Manufacturer Answer

a silencer will not fit under this rail. we do not make a Silencer compatible rail for the HK416

by Midwest Industries, Manufacturer, November 24, 2021
Customer Reviews
Helpful Positive Review Fit perfect by Old1, Verified Owner, July 29, 2021
Fits perfectly on my MR556. Actually very tight, a little elbow grease to remove, not a bad thing. There is a slight gap, but about the same as the HK quad rail. I am quite pleased with the purchase. Would do it again.
1/1 found this helpful
Helpful Negative Review Don’t buy unless you have a show gun you don’t fire. by Brain, March 6, 2021
This handguard functions as advertised but is not machined/engineered appropriately to match the 416 upper dimensions. Will seat all the way towards the back when mounting but will gap once fired to about half a cm allowing dust/dirt into the barrel ...
Read More...
1/5 found this helpful
Most Recent Reviews Flawless Product by Wise, Verified Owner, May 7, 2025
This product is exactly what I needed. Machined well and Fitment paired up perfectly. I would highly recommend to friends.
Most Recent Reviews Best MR556 handguard replacement by Darren Lloyd, Verified Owner, November 4, 2024
This is a really great handguard for the H&K MR556! If you want to replace yours, this is the best option in my opinion.
Most Recent Reviews Good for the price, but could be better by Hoodie, Verified Owner, September 21, 2024
It's a very tight fit on BRN-4. Easy to install and sits tight. But there's about 1mm gap between the upper and the handguard once the screw is tightened. My biggest gripe is that the block where the screw is mounted has very sharp corners and is ver...
Read More...
Read All 5 Reviews

Free Express Shipping!

Free Two Day Shipping
Select Two-Day Shipping and use coupon code 2DAYAIRClick to Copy Coupon Code during checkout to get a free shipping upgrade if eligible!
In Stock
2 Models Available

Show with deals only:

Free 2 Day Shipping
Handguard Length
All
Search

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Midwest Industries HK416/MR556 Handguard, M-LOK

13.5" HK416 / M556 Handguard M-Lok Compatible. Simple installation, direct replacement for HK factory handguard. Retains factory barrel nut. Mil-spec top rail. Seven sides of M-Lok compatible slots. Lightweight, rugged 6061 aluminum construction, mil-spec hard coat anodized. Cross bolt constructed of heat treated 4140 phosphate finished. 9 Inch Carbine weighs 9.9 ounces with cross bolt (M-Lok compatible rail adds .5 ounces). 13.5 Inch Length weighs 14 ounces with cross bolt (M-Lok compatible rail adds .5 ounces). Includes one M-Lok compatible rail. Lifetime warranty.image

Specifications for Midwest Industries HK416/MR556 Handguard, M-LOK:

Manufacturer: Midwest Industries
Gun Make: Heckler & Koch
Gun Model: Heckler & Koch MR556, Heckler & Koch HK416
Color: Black
Finish: Type III Hardcoat Anodized
Gun Rail: M-LOK
Handguard Material: 6061 Aluminum
Condition: New
Included Accessories: Standard
Mount Type: M-LOK
Country of Origin: USA
Fabric/Material: 6061 Aluminum
Gun Type: Rifle
Quantity: 1

Package Contents:

  • Midwest Industries 13.5in HK416 / M556 Handguard M-Lok Compatible

Midwest Industries HK416/MR556 Handguard, M-LOK Orderable Models

List of Orderable Models

Midwest Industries 9in HK416 / MR556 Handguard M-Lok Compatible, Black, MI-HK416M9 , MPN: MI-HK416M9 , UPC: 816537019930 , Code: MWI-FO-HKMRHML-MI-HK416M9
Midwest Industries 13.5in HK416 / M556 Handguard M-Lok Compatible, Black, MI-HK416M13.5 , MPN: MI-HK416M13.5 , UPC: 816537019947 , Code: MWI-FO-HKMRHML-MI-HK416M13-5

Midwest Industries HK416/MR556 Handguard, M-LOK Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Midwest Industries 13.5in HK416 / M556 Handguard M-Lok Compatible, Black, MI-HK416M13.5 , MPN: MI-HK416M13.5-DEMO , Code: MWI-FO-HKMRHML-MI-HK416M13-5-DEMO
Compare (0)