Product DescriptionThe RCBS Rock Chucker Supreme Press is a heavy-duty single-stage reloading press built for outstanding strength, smooth operation, and long-term durability. Its spacious 4.25" loading/operating window makes it easier to work with today&';s longer cartridge designs, while the ambidextrous handle setup supports both right- and left-handed bench layouts. Designed to accept common die thread sizes and equipped for on-press priming, the Rock Chucker Supreme is a proven choice for both new reloaders and experienced handloaders who want reliable leverage and consistent performance.Product Highlights Heavy-duty cast iron construction for maximum rigidity and long service life Spacious 4.25" operating window helps accommodate longer cartridges and improves access Accepts standard 7/8"-14 dies (with bushing) and 1-1/4"-12 dies (without bushing) On-press priming capability with included primer arm and both large/small primer components Ambidextrous handle configuration for flexible bench setup and comfortable operation Specs Brand: RCBS Manufacturer Part Number: 9356 UPC: 076683093561 Press Type: Single Stage Frame Material: Cast Iron Frame Design: O-Frame Operating/Loading Window: 4.25 in Die Compatibility: 7/8"-14 (with bushing); 1-1/4"-12 (without bushing) Priming: On-press priming (primer arm included) Handle: Ambidextrous Spent Primer System: Spent primer catcher included Ram Stroke: 4 in Number of Mounting Holes: 2 Country of Manufacture: Made in USA Included: Press with ambidextrous handle, spent primer catcher, primer arm with large and small primer plugs and sleeves Not Included: Accessory base plate; mounting hardware 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.