Fortis Manufacturing AR-15 Standard Castle Nut


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Full Details & Specifications

Fortis Manufacturing AR-15 Standard Castle Nut


The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If you're trying to save ounces, this is a great way, but without sacrificing durability. The castle nut will fit onto mil-spec buffer tubes and quickly upgrade the form and function of your build. 


  • Material: Aircraft Grade 7075-T6 Aluminum
  • Weight: 0.2 oz
  • You will need a standard stock wrench to install
  • Type III Hardcoat Anodize
  • Made in the USA
Manufacturer Fortis Manufacturing
Shipping Restriction No
MSRP $14.95
Weapon Model AR15/M16
Material 7075-T6 Aluminum
Material Finish Type III Hard Coat Anodized
Color Black
Mil-Spec/Mil Issued Equipment Yes
Gas System No


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