Product Description The Hornady Neck Turn Mandrel (MPN: 391924) is a precision-machined stainless steel mandrel purpose-built for use with the Hornady Neck Turner Tool. Designed specifically for 7mm (.2813") caliber cartridges, this mandrel allows reloaders to achieve consistent and uniform case neck thickness, a critical factor in producing highly accurate handloaded ammunition. Its durable stainless steel construction provides excellent corrosion resistance and dimensional stability under repeated use, making it an indispensable component for competitive shooters and precision reloaders alike. Product Highlights Precision-machined from stainless steel for exceptional durability, corrosion resistance, and long-lasting performance Engineered for 7mm (.2813") caliber cartridges, enabling precise and repeatable neck turning results Fully compatible with the Hornady Neck Turner Tool for seamless integration into your reloading setup Promotes consistent cartridge neck thickness, improving concentricity and boosting downrange accuracy Part of Hornady&';s trusted reloading accessory line, relied upon by handloaders and precision shooters worldwide Specs Brand: Hornady Model: Neck Turn Mandrel Series: Neck Turn Tool Caliber: 7mm Diameter: .2813" Material: Stainless Steel Color/Finish: Silver Compatible With: Hornady Neck Turner Tool Type: Reloading Accessory UPC: 090255919240 MPN: 391924 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.