HK416C Style Barrel Upper Conversion Kit – HK MR556 & HK416 – 8"

(1 customer review)


MR556 & HK416 Upper Conversion Kit – 8″ – HK 416C Style

Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8″ barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel option for your MR556, CR556 & HK 416’s. Each upgrade kit is as close as you can get for those that want an HK 416C style upper upgrade but without the excessive price tag of a factory German HK 416 upper kit. This is the finest offering ever available here in the USA. Each barrel kit will work on any HK 416 or MR556 upper receiver. Each unit is test fitted on HK416 & MR556 uppers for accuracy and compatibility. Works with all HK spec uppers & forearms.

Each HK416C DIP Kit is made 100% in the USA & features:

  • Proven HK416 Style Gas Piston Design
  • 8″ HK416C Length 416R Stainless 1/7 twist 5.56 fully “Nitrided” barrel
  • Muzzle end threaded 1/2 X 28
  • Enhanced ultra lightweight 7075 alloy barrel nut
  • Newer ultra desireable updated 416C stainless steel “vented” gas block
  • Full machined bayonet lug
  • HK416C style quad rail with integrated hand stop and ambi sling mounting points
  • A2 416 style flash hider & crush washer
  • Also available in 9″ kit

Each conversion kit includes all the necessary parts you need for the front end and barrel conversion to your existing HK 416 or MR556. Simply add your upper receiver, charging handle & bolt carrier group. You can have the closest thing for a fraction of the price. 100% USA made!

No FFL required as the upper assembly is considered parts & not an FFL item.

*Should not be used with a suppressor, unless it is a zero pressure suppressor*

  • Condition: New
  • Origin: USA
  • Brand: HKPARTS
  • Caliber: 5.56 x 45mm / .223

Out of stock

SKU: hkp-18628

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5 out of 5 stars

1 review

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What others are saying

  1. Kyle

    Great kit!


    I used this barrel kit to build a 416C clone and it is absolutely awesome! Fit and function is perfect. Comes with a vented gas block which helps tame recoil. When used with a standard HK416 buffer system it has ran flawlessly with over 2000 rounds!

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