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  1. 12.5
  2. 12.5 bottom
  3. 12.5
  4. 12.5 bottom view
  5. 12.5 top view
  6. Extension
  7. Support Pin
  8. flash hider hk416a5 mr556 haus 🇺🇸
  9. flash hider a2 hk416 haus 🇺🇸
  10. flash hider 3 prong hk416 mr556 knights armament
  11. NT4
  12. SF3P
  13. flash hider 4 prong socom hk416 mr556 surefire 🇺🇸
  14. flash hider closed tine socom hk416 mr556 surefire 🇺🇸
  15. die cut badge sticker copy 2

BARREL HK416 A5 12.5″ HAUS 🇺🇸

Original price was: $680.00.Current price is: $599.00.

Investment grade HK416 A5 barrels for your next build.
Cold hammer forged, Chrome lined, DLC finish, only at Haus Tool.

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Cold hammer forged, hard chrome lined bore and chamber, guaranteed for life.

Interchangeable with MR556 A4 barrel.

  • Length: 12.5″ (Per spec for Project Hunter submission)
  • Thread Pitch: 1/2″ x 28 TPI
  • Caliber: 5.56x45mm,.223 Rem
  • Twist: 1 – 7”
  • Finish: DLC
  • Material: 4150 CMV
  • Weight – 23.64oz
  • Upper Receiver Compatibility: HK416 A5, MR556 A4, MR223 A3 and HAUS upper receivers * Not compatible with HK MR556A1 or Legacy HK416 upper receivers
  • Gas Block Compatibility: Genuine Heckler & Koch HK416 A5 | MR556 A4
  • Warrantee: Lifetime

Process: Barrel blanks are cold hammer forged to our spec, oversized for chrome then shipped to Rim Country Manufacturing to be profiled, chambered, threaded and engraved, then the barrels are sent out for hard chrome lining on bore and chamber and finally finished with DLC.

The genuine HK416 A5 gas block is correct for this barrel.

Barrel nut is included.

Questions? Email: info@haustool.com or call 512-769-4462 for more information

Made in USA
No sales to California or Washington State.
All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.
Barrel installation procedure:  https://haustool.com/barrel-install/
Weight 2 lbs

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