Product DescriptionThe Griffin Armament MK1 Stripped Lower Receiver is built to provide a strong, dependable foundation for an AR-15 rifle build. Precision machined from high grade 7075 aluminum, this stripped lower is designed for proper fitment with mil-spec lower components and consistent performance. Its Type 3 hardcoat anodized finish helps protect against scratches, scuffs, discoloration, and exposure to common cleaning solvents and oils, making it a durable choice for builders who want long-term reliability. The MK1 also features a mil-spec fire control pocket, giving you a solid base for a custom rifle setup.Product Highlights Precision machined 7075 aluminum stripped lower receiver for AR-15 rifle builds Type 3 hardcoat anodized black finish helps resist wear, scratches, and chemical exposure Compatible with mil-spec lower components for reliable fit and function Mil-spec fire control pocket supports straightforward custom build configuration Lightweight 7.90 oz design from Griffin Armament for durable performance without unnecessary bulk Specs Brand: Griffin Armament Model: MK1 Series: Stripped Lower Receiver Product Type: Stripped Lower Receiver Platform: AR-15 Material: 7075 Aluminum Color: Black Finish: Type 3 Hardcoat Anodized Fire Control Pocket: Mil-Spec Weight: 7.90 oz MPN: MK1SL UPC: 791154085042 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.