Tiger Rock AR-10/LR-308 Ejection Port Dust Cover Engraving Snek Black Small. Specifications for Tiger Rock AR-10/LR-308 Engraving Ejection Port Dust Cover: Manufacturer: Tiger Rock Color: Black Gun Model: AR-10 Package Contents: Tiger Rock AR-10/LR-308 Engraving Ejection Port Dust Cover Ejection Port Cover Door - Dust Cover Steel Spring Steel Rod C-Clamp What firearm models does the manufacturer say Tiger Rock AR-10/LR-308 Engraving Ejection Port Dust Cover is compatible with? The manufacturer suggests that Tiger Rock AR-10/LR-308 Engraving Ejection Port Dust Cover is compatible with AR-10Tiger Rock EDC308-SNEK: AR-10/LR-308 Ejection Port Dust Cover Engraving Snek Black Small