Strike ARUDCEFLAG Ultimate Dust Cover Flag AR-15, M4, M16 Black Polymer 3.46″

The AR Ultimate Dust Cover features an adjustable detent set screw in order to compensate wear on the receiver and increase or decrease opening power. Compatible with AR-15/M16/M4 .223/5.56 and will fit Billet Uppers. Includes Dust Cover, spring and pin. This model is a capsule design.This model has flag engraving.