ABC RIFLE COMPANY AR15 USA Flag Engraved Ejection Port Cover Assembly Black. It features a 4140 steel rod precision-formed spring and an E-clip retaining ring for secure reliable function. Designed to fit standard AR-15/M4 upper receivers this cover also includes a laser-engraved USA flag for a patriotic touch. Built for both function and style it offers dependable performance while adding a custom visual detail to your rifle setup. Specifications for ABC RIFLE COMPANY AR-15 USA Flag Engraved Ejection Port Cover Assembly: Manufacturer: ABC RIFLE COMPANY Color: Black Gun Model: AR-15 Last Chance: Yes Gun Make: AR Platform Gun Type: Rifle Package Contents: ABC RIFLE COMPANY AR-15 USA Flag Engraved Ejection Port Cover Assembly What firearm models does the manufacturer say ABC RIFLE COMPANY AR-15 USA Flag Engraved Ejection Port Cover Assembly is compatible with? The manufacturer suggests that ABC RIFLE COMPANY AR-15 USA Flag Engraved Ejection Port Cover Assembly is compatible with AR-15ABC RIFLE COMPANY EPC15-F: AR15 USA Flag Engraved Ejection Port Cover Assembly Black