The Magpul Enhanced Ejection Port Cover is a drop-in ready upgrade that comes at a cost-effective price. Installation is easy, without the need to remove the handguard, wind any screws, or adjust any e-clips. Magpul has made this ejection port cover out of high-grade, impact resistant injected molded polymer. It is strong enough to not bend or break from hard impacts. The port cover is corrosion resistant and will outlast other port covers on the market.Features: A drop-in ready upgrade Cost-effective and will not break the bank Installation is easy, as you do not need to remove the handguard, wind any screws, or adjust any e-clips Magpul has made this ejection port cover out high-grade, impact resistant injected molded polymer Strong enough to not break from hard impacts Ejection port cover is corrosion resistant and will outlast others on the market Specialty tools are not required for installation It is compatible with USGI-patterned AR15 upper receiversThe Magpul Enhanced Ejection Port Cover is compatible with USGI-patterned AR15 upper receivers, giving you many options of weapons to upgrade. The best part is that specialty tools are not required for installation, making the switch a sinch.