Fortis Manufacturing Mil-Spec Castle Nut

Put the final touches on your next rifle build with the Fortis Manufacturing® Mil-Spec Castle Nut. This castle nut is constructed from a solid piece of aircraft 7075-T6 aluminum for a lightweight, yet strong design that’s perfect for those looking to reduce weight on their rifle build. Plus, the corrosion-resistant Type III hardcoat anodized finish offers an additional layer of durability for long-lasting field use. Compatible with Mil-Spec buffer tubes, this castle nut is perfect as an upgrade for your favorite rifle, a spare part, or a key component in a new rifle build. Standard stock wrench required for installation. Order today! Made in USA.