Quick view Strike Industries Strike Ar, Si Ar-udc-e-308-01-bk Dust Cov Standrd Ar10 $15.95 Strike's ar-10 308 ultimate dust cover is constructed of a high-density polymer making it more durable and functional than the traditional dust covers.It features an adjustable detent set screw in order to compensate wear on the receiver and increase or... Compare Add to Cart