Product Description The Aero Precision AR-15 Stripped Upper Receiver in Flat Dark Earth (FDE) Cerakote is a precision-engineered component built for lasting reliability and outstanding performance. Forged from 7075-T6 aluminum and precision machined to mil-spec M16/M4 specifications, this stripped upper is one of Aero Precision&';s most sought-after products, trusted by members of the military and law enforcement communities nationwide. The durable FDE Cerakote finish provides excellent corrosion resistance while delivering a bold tactical appearance. Designed to mate seamlessly with an AR-15 lower receiver for a solid, dependable fit, this upper ships stripped and ready for a custom build. Product Highlights Forged from 7075-T6 aluminum for an optimal balance of strength and lightweight construction Precision machined to mil-spec M16/M4 dimensions for guaranteed compatibility with standard AR-15 components Includes M4 feed ramps for reliable and consistent cartridge feeding Features .50 caliber take down pin holes for a secure, accurate fit with compatible lower receivers FDE Cerakote finish delivers superior corrosion and wear resistance with a distinctive flat dark earth look Specs Brand: Aero Precision MPN: APAR501801C UPC: 815421022254 Material: 7075-T6 Aluminum Finish: Flat Dark Earth (FDE) Cerakote Compatibility: AR-15 Caliber: Multi-Caliber Feed Ramps: M4 Specifications: Mil-Spec M16/M4 Take Down Pin Holes: .50 Caliber Note: Requires dust cover, forward assist, charging handle, barrel, handguard, gas block, muzzle device, gas tube, and BCG (Bolt Carrier Group) to complete Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.