FORTIS STANDARD CASTLE NUT

The Fortis Standard Castle Nut by Fortis Manufacturing Inc. is crafted from billet aircraft-grade aluminum, providing a durable yet lightweight component for your firearm assembly. Designed to fit mil-spec buffer tubes, this castle nut offers a reliable and secure fit essential for maintaining the integrity of your build.

This model features a sleek black anodized finish that enhances corrosion resistance and adds a professional aesthetic to your firearm. Its precision machining ensures consistent performance, making it a practical upgrade for those seeking quality and functionality in their components. The Fortis Standard Castle Nut balances strength and weight reduction without compromising durability, reflecting the brand’s commitment to high manufacturing standards.