Product DescriptionThe Ruger America&';s 250th Anniversary Stripped Lower Receiver is a limited-edition AR-15 pattern foundation built for shooters, builders, and collectors who want commemorative styling with proven Ruger quality. Machined from 7075-T6 forged aluminum to mil-spec tolerances, this stripped lower receiver features a durable black anodized finish and a special "Made in the 250th Year of American Liberty" engraving on the left side. An integrated adjustable tension screw helps reduce or eliminate play between compatible upper and lower receivers for a tighter, more refined fit during your build.This is a receiver-only component intended for compatible AR-style builds. It does not include a lower parts kit, trigger components, stock, buffer tube, grip, upper receiver, or magazine, making it an excellent starting point for a custom build or a commemorative rifle project.Product Highlights Limited-edition Ruger stripped lower receiver created to commemorate America&';s 250th Anniversary Machined from strong 7075-T6 forged aluminum for durability and long-term performance Built to mil-spec tolerances for compatibility with many AR-15 pattern components Black anodized finish helps resist wear and corrosion while maintaining a clean appearance Adjustable tension screw helps minimize upper-to-lower receiver play for a tighter fit Specs Product Type: Stripped Lower Receiver Platform Compatibility: AR-15 Pattern Edition: America&';s 250th Anniversary Material: 7075-T6 Forged Aluminum Finish: Black Anodized Tolerances: Mil-Spec Special Marking: "Made in the 250th Year of American Liberty" engraving on left side Adjustment Feature: Integrated adjustable tension screw Configuration: Receiver only, stripped UPC: 736676285020 MPN: 28502 Brand: Ruger 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.