Strike ARBUDC223FDE Ultimate Dust Cover Billet Ultimate Dust Cover AR-15,

Strike Billet Ultimate Dust Cover features a quick detach mechanism that allows you to install or remove the dust cover in under 10 Seconds. It also includes an adjustable detent set screw in order to compensate wear on the receiver and increase or decrease opening power. Our patent pending noise-reduction padding also makes it nearly 100% silent during activation. Heavy duty machined billet aluminum construction.