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Midwest Industries HK416/MR556 Handguard, M-LOK
As Low As $230.95 Save Up to $11.00
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Most Helpful Positive Review Fit perfect
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.
Most Helpful Negative Review Don’t buy unless you have a show gun you don’t fire.
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 nut/piston area.
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Flawless Product

by Wise, Verified Owner from NC, United States Written on May 7, 2025
This product is exactly what I needed. Machined well and Fitment paired up perfectly. I would highly recommend to friends.
Pros:
  • Price
  • Feel & function, sturdiness, aesthetics
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Best MR556 handguard replacement

by Darren Lloyd, Verified Owner from TN, United States Written on 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.
Pros:
  • Price
  • Quality
  • Ease of insallation
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Good for the price, but could be better

by Hoodie, Verified Owner from CA, United States Written on 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 very uncomfortable.
Pros:
  • None
Cons:
  • Sharp edges dig into finger
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.