AR-10 / LR-308 Ejection Port Dust Cover Assembly (Gen 3) (Anodized Blue)

Designed specifically for the AR-10 and LR-308 platforms, this Gen 3 Ejection Port Dust Cover Assembly ensures reliable sealing of the upper receiver. Manufactured from T6 6061 Aluminum, the component offers a durable construction that balances strength with minimal added weight. The assembly is supplied as a complete kit, including the dust cover, rod, and spring, providing everything needed for a straightforward installation. The finish is Anodized Blue, offering both aesthetic customization and enhanced corrosion resistance for the aluminum body.

A key feature of this Gen 3 design is the adjustable set screw, which allows builders to precisely align the dust cover’s opening and closing mechanism. This adjustability is crucial for ensuring smooth operation and preventing binding, particularly when installed in Billet Uppers Only, as recommended. The product is made in the United States of America, adhering to domestic manufacturing standards. Weighing just 0.5 oz, the assembly maintains the rifle’s balance while providing essential protection for the ejection port. The .308 Caliber designation confirms its compatibility with standard AR-10 and LR-308 configurations, ensuring a precise fit for these larger platform rifles.

This dust cover assembly integrates seamlessly into the upper receiver, maintaining the integrity of the ejection port while offering a customizable fit through its adjustable mechanism. The Anodized Blue finish not only enhances visual appeal but also contributes to the longevity of the aluminum components by protecting against wear and environmental factors. For builders seeking a reliable, US-made solution for their AR-10 or LR-308, this assembly provides the necessary components and adjustability for optimal performance.