Strike Industries AR Enhanced Ultimate Dust Cover Standart for .223 Black One Size. These AR15 Upper Parts from Strike Industries are crafted from a durable yet lightweight polymer that clocks in at only 0.3oz. You can fully rely on this Strike Industries AR Enhanced Ultimate Upper Dust Cover since it will never fade corrode rust deform or bend out of shape - ensuring a long service life. Strike Industries know you're itching to get back to the range which is why you can install this one in literally 5-10 seconds after removing the stock cover. With the patent pending "True Seal" lip the port is sealed significantly tighter than competing covers. Keep debris out and your shots on target with the Strike Industries AR Enhanced Ultimate Dust Cover 223. Specifications for Strike Industries Enhanced Ultimate Dust Cover for AR: Manufacturer: Strike Industries Gun Model: AR-15 Fabric/Material: High Density Polymer Condition: New Features of Strike Industries Enhanced Ultimate Dust Cover for AR Springloaded internal detent rod for easy installation and takedown. Constructed with lightweight durable polymer material weighing in at only .3oz Cutout 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 "True Seal" internal lip that seals the port tighter than traditional dust cover designs. Builtin adjustable detent set screw to compensate for wear on the receiver. Package Contents: Strike Industries Enhanced Ultimate Dust Cover for AR 1x Dust Cover 1x Spring 1x Pin What firearm models does the manufacturer say Strike Industries Enhanced Ultimate Dust Cover for AR is compatible with? The manufacturer says that Strike Industries Enhanced Ultimate Dust Cover for AR is compatible with AR-15Strike Industries SI-AR-UDC-E-01-223-BK: AR Enhanced Ultimate Dust Cover Standart for .223 Black One Size