Show your unwavering dedication to the Marine Corps with the Semper Fidelis AR-15 Ejection Port Dust Cover. This durable, laser-engraved cover features the iconic motto "Semper Fidelis" and is precision-machined for a perfect fit on any standard AR-15 platform. Crafted by AR-15 Ejection Port Covers, this upgrade adds a personal touch of honor and distinction to your rifle, protecting its internal components from dust and debris while displaying your pride in serving.