Tiger Rock AR-10/LR-308 Dust Cover w/ Flag Engraving Black Small. 308 Ejection Port Cover Assembly with Flag Engraving Specifications for Tiger Rock AR-10/LR-308 w/ Flag Engraving Dust Cover: Manufacturer: Tiger Rock Color: Black Finish: Black Gun Model: DPMS LR-308 AR-10 Fabric/Material: Steel Features of Tiger Rock AR-10/LR-308 w/ Flag Engraving Dust Cover DPMS Compatible Package Contents: Tiger Rock AR-10/LR-308 w/ Flag Engraving Dust Cover Ejection Port Cover Door - Dust Cover Steel Spring Steel Rod What firearm models does the manufacturer say Tiger Rock AR-10/LR-308 w/ Flag Engraving Dust Cover is compatible with? The manufacturer suggests that Tiger Rock AR-10/LR-308 w/ Flag Engraving Dust Cover is compatible with AR-10 DPMS LR-308Tiger Rock DC308-USA: AR-10/LR-308 Dust Cover w/ Flag Engraving Black Small