CMMG Mk4 AR15 Upper Receiver Assembly ZEROED Polymer Dust Cover Billet Aluminum Cerakote

The Mk4/AR15 Upper Receiver Assembly by CMMG is a meticulously crafted component designed to enhance your rifle's performance and reliability. Constructed from high-quality Billet 6061-T6 aluminum, this upper receiver assembly boasts a durable Cerakote standard finish that not only provides a sleek aesthetic but also ensures resistance to wear and corrosion, making it ideal for both competitive shooting and tactical applications. The assembly comes with a ZEROED polymer dust cover pre-installed, offering added protection against debris and ensuring smooth operation in various environments. This upper receiver is compatible with a wide range of AR-15 lower receivers, allowing for seamless integration into your existing setup. Whether you're a seasoned hunter, a competitive shooter, or simply looking to upgrade your firearm, the Mk4/AR15 Upper Receiver Assembly delivers the reliability and performance you need to excel in the field or at the range. With its thoughtful design and robust construction, this assembly is a valuable addition to any firearm enthusiast's collection, ensuring that you can tackle any shooting challenge with confidence.