Product DescriptionThe BATTLE ARMS DEVELOPMENT Authority Elite Lightweight Billet Upper Receiver is engineered for AR15 platform builds that demand reduced weight, precise machining, and premium materials. Machined from billet 7075-T6 aerospace aluminum, this upper receiver features a patent-pending lightweight design while maintaining the strength and durability expected from a high-performance rifle component. It includes an M4 feed ramp, a MIL-A-8625F Type III Class 2 hard anodized flat black finish, and compatibility with TDP/Mil standard AR upper receiver parts. Made in the USA, this upper receiver is also compatible with the FORTIS REV II rail with indexing tabs, making it a strong choice for custom AR15/M4 configurations.Product Highlights Precision CNC-machined from billet 7075-T6 aerospace aluminum for strength, durability, and weight savings Patent-pending lightweight upper receiver design ideal for performance-focused AR15 builds M4 feed ramp supports reliable function in compatible AR15/M4 platform configurations Hard anodized flat black finish to MIL-A-8625F Type III Class 2 specifications for enhanced wear resistance Compatible with TDP/Mil standard AR upper receiver parts and FORTIS REV II rail systems with indexing tabs Specs Product Type: Upper Receiver Platform Compatibility: AR15 / M4 Material: Billet 7075-T6 Aerospace Aluminum Design: Lightweight billet construction Feed Ramp: M4 Feed Ramp Finish: Flat Black Hard Anodized Anodizing Spec: MIL-A-8625F, Type III, Class 2 Rail Compatibility: FORTIS REV II Rail with indexing tabs Parts Compatibility: TDP/Mil Standard AR Upper Receiver Parts Weight: 6.28 oz Country of Manufacture: USA UPC: 810033782152 MPN: AE-UR-BLK Brand: BATTLE ARMS DEVELOPMENT 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.