Product DescriptionThe Ruger AR-556 Lower is built for shooters assembling a dependable AR platform rifle with premium factory-installed components. Constructed from 7075-T6 aluminum and finished in hard coat anodized black, this lower offers the durability and corrosion resistance expected for demanding field and range use. It features a Magpul MOE SL six-position stock, a Mil-Spec buffer tube, a Magpul MOE grip, and the Ruger Elite 452 two-stage AR trigger for a smooth, crisp trigger pull and improved control. The adjustable stock helps accommodate different shooter sizes and shooting positions, while the ergonomic grip provides extended trigger reach for more precise handling. Note that this model requires a lower parts kit of your choosing to complete.Product Highlights 7075-T6 aluminum lower receiver with hard coat anodized black finish for strength and long-term durability Factory-equipped with a Magpul MOE SL six-position stock for adjustable fit and shooting comfort Ruger Elite 452 two-stage AR trigger delivers a smooth, crisp pull for enhanced control Includes a Magpul MOE grip with extended trigger reach for improved ergonomics Mil-Spec buffer tube supports reliable AR-style build compatibility and versatile setup options Specs Brand: Ruger Manufacturer Part Number: 8516 UPC: 736676085163 Product Type: Lower Receiver Platform: AR-556 / AR-15 pattern Material: 7075-T6 Aluminum Finish: Hard Coat Anodized Black Stock: Magpul MOE SL 6 Position Stock Grip: Magpul MOE Grip Trigger: Ruger Elite 452 Two-Stage AR Trigger Buffer Tube: Mil-Spec Compatible Calibers: .223 Remington, 5.56 NATO Action: Single Action Manual Safety: Yes Country of Manufacture: null 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.