The One Horse AR15 Stripped Upper Receiver is a precision-machined component designed to serve as a strong, lightweight foundation for custom AR15 builds. Crafted from forged 7075-T6 aluminum, this upper receiver delivers the strength and durability required for hard use while maintaining excellent weight efficiency. Built to true Mil-Spec dimensions and proudly made in the USA, it offers seamless compatibility with a wide range of AR15 barrels, handguards, and internal components-making it an ideal starting point for tactical, competition, or general-purpose rifles. What sets the One Horse stripped upper apart is its balance of strength, precision, and compatibility. The 7075-T6 aluminum construction provides superior structural integrity compared to lower-grade materials, ensuring long-term reliability under repeated firing cycles. Precision machining guarantees proper alignment with Mil-Spec lowers and components, supporting consistent accuracy and smooth operation. Whether you're building from the ground up or replacing an existing upper, this receiver delivers the clean fit and dependable performance serious builders demand. Specifications: Manufacturer: One Horse Platform: AR15 Receiver Type: Stripped upper receiver Material: Forged 7075-T6 aluminum Design: Mil-Spec Compatibility: Standard AR15 components Country of Manufacture: USA