JL Billet AK-47 Dust Cover Black. Every dust cover comes with a roll pin hinge attachment and 8-32 x 1/4" screw needed for installation. Specifications for JL Billet AK-47 Dust Cover: Manufacturer: JL Billet Color: Black Fabric/Material: Aluminum Country of Origin: USA Features of JL Billet AK-47 Dust Cover 1913 Picatinny top rail Made from 6061 T6 Aircraft grade aluminum Type 3 Hard Black Anodize Package Contents: JL Billet AK-47 Dust Cover JL Billet JLB-AK-DC-A: AK-47 Dust Cover Black