Fortis Manufacturing Billet Dust Cover Features The Fortis Manufacturing Billet Dust Cover AR-15 is crafted from a solid piece of 6061-T6 aircraft-grade aluminum delivering superior strength and durability compared to polymer alternatives. Its precision machining ensures proper fitment with mil-spec AR-15 upper receivers making installation straightforward. This AR-15 dust cover provides an immediate upgrade in both form and function. Finished with a Type III hardcoat anodizing it offers enhanced resistance to wear and corrosion in demanding conditions. The lightweight design maintains overall rifle balance while adding rugged reliability. Included hardware such as the spring and C-clip ensures a complete and ready-to-install package. Fortis Manufacturing Billet Dust Cover Specifications Manufacturer: Fortis Manufacturing Model: Billet Dust Cover Material: 6061-T6 Aluminum Finish: Type III Hardcoat Anodized Black Weight: 0.4 oz Length: 3.13 Width: 0.885 Compatibility: AR-15 .223 Rem 5.56 NATO Includes: Spring C-Clip