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.
Features:
- Material: Aircraft Grade 7075-T6 Aluminum
- Weight: 5.5g
- You will need a standard stock wrench to install
- Type III Hardcoat Anodize
- Made in the USA!
- Manufacturer Part Number:
- CN-Stand
- Sub Category:
- Castle Nuts
- Color:
- Black
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Castle nut
It was a little lighter than I thought it was going to be. I’m not sure if this is steel or aluminum. Either way it is what I ordered and it came extremely fast. I am totally pleased.
