Elevate your AR-10 build with the Aero Precision M5 Assembled Upper Receiver, a top-tier component crafted from rugged 7075-T6 aluminum. This precision-machined upper is designed to seamlessly integrate with standard .308 components, ensuring a perfect fit for your big bore rifle. With pre-installed port door and forward assist hardware, this assembled upper streamlines your build process. The M4 feedramps guarantee reliable feeding, while the .2795 takedown pin holes provide a secure and stable connection to your lower receiver. Laser engraved T-marks offer quick and easy reference points for mounting accessories, and the DPMS High Profile (.210) Tang ensures compatibility with a wide range of handguards and rail systems. Pair this upper with an Aero Precision M5 .308 lower receiver for a rock-solid, dependable platform that can handle the most demanding shooting situations, whether you're hunting, competing, or honing your long-range skills. Trust Aero Precision's commitment to quality and experience the unmatched performance of the M5 Assembled Upper Receiver.