Fortis Manufacturing | END PLATE & CASTLE NUT | Black

The Fortis End Plate & Castle Nut pairs a lightweight castellated nut with a QD-equipped end plate intended for carbine-style buffer tubes. The castle nut is machined from billet aircraft-grade aluminum and the end plate integrates a quick-detach swivel socket for sling attachment. The components are finished in anodized black and are designed to work with mil-spec buffer tubes on AR-15 and .308 platforms.

Product Specifications

• The product name is FORTIS END PLATE & CASTLE NUT.
• The manufacturer is Fortis Manufacturing.
• The product type is Castle Nut.
• The finish is Anodized.
• The color is Black.
• The end plate includes a quick detach swivel socket as a QD end plate.
• The castle nut is manufactured from billet aircraft-grade aluminum.
• The design is intended for carbine-style buffer tubes for AR15 and .308 platforms.
• The castle nut and end plate are intended to provide weight savings compared to standard castle nuts.
• The castle nut fits mil-spec buffer tubes.
• The product is suited for lightweight builds and range/competition setups where reduced mass and a QD sling point are desired.
• The UPC is 810103343061.

This end plate and castle nut set provides a clean, lightweight way to finish a carbine-style buffer tube while adding a reliable QD attachment point for slings. The billet aluminum construction and anodized finish keep the profile low and the appearance understated, making it a practical upgrade for builders focused on reduced mass and straightforward function.