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Night Rail™ 556MM Barrel Nut Set

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Brand: Fortis Manufacturing
Product Code: Night™ Series
Availability: In Stock


We get it...sometimes we don't always follow directions. Don't worry, you broke your barrel nut - we got you covered.


  • Material: Aircraft Grade 6061-T6 Aluminum / Barrel Nut: 4140 Steel
  • Proprietary, patent pending 2 piece barrel nut that provides 360 degree contact
  • Will include (throw away) barrel nut wrench to install
  •  7.4 oz / barrel nut 3.9 oz
  • 1.35" Internal Diameter / 10.5" length
  • Made in the USA!
  • Night Rail™ Instructions - CLICK HERE for PDF
  • Installation error and damage caused during installation is NOT covered - please read instructions carefully as well as watch our installation video. If you have ANY questions, please contact us.

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