The Magpul Enhanced Ejection Port Cover provides a durable, easy-to-install upgrade for standard AR-15/M4 upper receivers. Constructed from impact-resistant injection-molded polymer, this cover offers improved strength and corrosion resistance compared to traditional stamped-steel dust covers. Its innovative snap-in design allows installation without removing the handguard or barrel nut, making it a convenient replacement for standard USGI ejection port covers.
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