Fortis Castle Nut, Black, Anodized Finish, Mil Spec

Fortis Manufacturing Standard Castle Nut Black. 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 ybuild. You will need a standard stock wrench to install Specifications for Fortis Manufacturing Standard Castle Nut: Manufacturer: Fortis Manufacturing Gun Model: AR-15 Color: Black Fabric/Material: Aircraft Grade 7075-T6 Aluminum Quantity: 1 Features of Fortis Manufacturing Standard Castle Nut Material: Aircraft Grade 7075-T6 Aluminum Weight: 0.2 oz You will need a standard stock wrench to install Type III Hardcoat Anodize made in specialized factories Package Contents: Fortis Manufacturing Standard Castle Nut Fortis Manufacturing CN-Stand: Standard Castle Nut Black