The A5 Castle Nut features a premium Cerakote Burnt Bronze finish that combines superior durability with an attractive aesthetic appearance.A5 Castle Nut with threaded designCerakote Burnt Bronze protective coatingEnhanced corrosion and wear resistanceProfessional-grade ceramic-based finishUPC: 697566711183This castle nut provides reliable performance while adding a distinctive burnt bronze color accent to your build perfect for custom firearms applications requiring both function and style.