Aero Precision offers a range of AR-15 uppers, catering to different needs and preferences, from stripped and assembled uppers to complete upper receivers. These uppers are designed for durability, precision, and compatibility with a wide range of AR-15 components. The lineup includes stripped uppers, which are bare receivers for custom builds, assembled uppers, which come pre-installed with a forward assist and ejection port cover, and complete uppers, which are fully assembled and ready to pair with a compatible lower receiver. Aero Precision’s uppers are known for their high-quality machining, modularity, and rugged construction, making them a trusted choice among shooters. All Aero Precision AR-15 uppers are made from 7075-T6 aluminum, ensuring strength and reliability. They feature a Type III hard anodized finish for corrosion resistance and durability. Uppers like the M4E1 Enhanced Upper integrate a handguard mounting system for added rigidity, while the M4E1 Threaded Upper is compatible with standard barrel nuts for greater flexibility. Complete uppers come with features like chrome-moly vanadium or stainless steel barrels, M-LOK handguards, and direct impingement gas systems, ensuring reliable performance. With options ranging from stripped receivers for custom builds to complete uppers in calibers like 5.56 NATO, .223 Wylde, and .300 Blackout, Aero Precision’s AR-15 uppers provide high-quality solutions for every type of AR-15 enthusiast.