Product Description The Frankford Arsenal Shell Plate #4 is a precision machined, stainless steel interchangeable shell plate designed specifically for the X-10 Progressive Press. Compatible with 223 Remington and 300 Blackout cartridges, this shell plate is built to make caliber transitions quick and effortless. Featuring laser-marked caliber designations for easy identification and an integrated bearing system for buttery-smooth operation, Shell Plate #4 is an essential upgrade for any serious reloader looking to maximize efficiency and accuracy on the progressive press. Product Highlights Precision Machined Stainless Steel - Durable construction ensures long-lasting performance under repeated reloading cycles. Laser Marked Calibers - Clear, permanent caliber markings make it easy to identify and swap plates without confusion. Integrated Bearing for Smooth Operation - Reduces friction and wear for consistent, reliable cycling during high-volume reloading sessions. Compatible with 223 Remington and 300 Blackout - Versatile compatibility covers two of the most popular rifle cartridges for modern sporting rifles. Designed for the X-10 Progressive Press - Purpose-built for fast and easy installation and removal, enabling effortless caliber changes. Specs Brand: Frankford Arsenal MPN: 1135903 UPC: 661120260035 Shell Plate Number: 4 Compatible Calibers: 223 Remington, 300 Blackout Compatible Press: X-10 Progressive Press Material: Stainless Steel Item Height: 1.90 inches Item Width: 6.40 inches Item Length: 7.80 inches Item Weight: 2.50 lbs Country of Manufacture: USA 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. ]]>