The Strike Industries Stamped Dust Cover for AR-15 is a perfect fusion of classic Mil-Spec design and contemporary SI style. Crafted from durable stamped steel for superior protection. With a quick, tool-free installation and easy disassembly it can effortlessly be installed or remove in 5 to 10 seconds. Included is a spring-loaded internal detent for reliable dust cover closure when needed. Arriving pre-assembled, it's ready for a new build or as a seamless replacement.