The Aero Precision M4E1 Complete Upper with 18" .223 Wylde PROOF Research® Carbon Fiber Barrel in OD Green Anodized combines top-tier components with a cutting-edge design. This complete upper receiver is built to deliver peak accuracy and long-range performance while minimizing weight. The 18” .223 Wylde PROOF Research® Carbon Fiber Barrel ensures match-grade precision with a lighter profile, enhancing maneuverability without compromising durability.

Paired with the MOD 4 Handguard, this upper offers customization through its 7-sided M-LOK® interface and reinforced QD sockets, making it perfect for tactical applications. Designed for shooters who demand accuracy, reliability, and performance, this upper is crafted with premium components like the M4E1 Threaded Upper Receiver, ensuring a seamless build experience.

Whether you’re a competitive shooter or a precision marksman, this complete upper offers the ultimate combination of form, function, and aesthetics with its OD Green anodized finish.