Strike Industries Ultimate Dust Cover AR-15, M4, M16 Black Polymer

The Strike Industries Ultimate Dust Cover Ejection Port Cover is constructed of a high-density polymer making it more durable and functional than the traditional dust covers. The Ultimate Dust Cover features an adjustable detent set screw in order to compensate wear on the receiver and increase or decrease opening power. Features Patent pending spring-loaded, internal detent rod for easy installation and take-down Constructed with lightweight durable polymer material weighing in at only .3oz Cut-out window for easy disassembly on any AR15 receiver Will never corrode rust or fade Will never deform or get bent out of shape Comes in a variety of designs Patent pending "True Seal" internal lip that seals the port tighter than traditional dust cover designs Built-in adjustable detent set screw to compensate for wear on the receiver