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 youre 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.
Features :
- 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!
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