Fortis Standard Castle Nut – Billet Aluminum, Anodized Black

Description

The Fortis Standard Castle Nut is machined from a solid piece of billet aircraft-grade aluminum to deliver meaningful weight savings without sacrificing durability. Its anodized black finish provides corrosion resistance and a low-profile appearance. The nut is made to fit onto mil-spec buffer tubes and integrates directly into standard AR-style rear receiver extensions.

Key Specifications

• The manufacturer is Fortis Manufacturing.
• The model is FORTIS STANDARD CASTLE NUT.
• The construction material is billet aircraft-grade aluminum.
• The finish is anodized.
• The color is black.
• The product type is a Castle Nut.
• It is designed to fit mil-spec buffer tubes.
• Offers a significant weight reduction compared with standard steel castle nuts while maintaining durability.

This castle nut provides a straightforward, lightweight upgrade for builders and technicians seeking to shave ounces from an AR-style build while preserving reliable function. Its billet construction and anodized finish make it a practical choice for those who prioritize thoughtful components and a clean, durable fit on mil-spec buffer tubes.