Product Description The RCBS Roll Crimp 3-Die Set (Group C) is purpose-built for handloaders working with straight-wall cartridges, specifically the 45-70 Government caliber. Crafted from durable steel, this comprehensive set delivers everything a reloader needs to resize, expand, seat, and crimp rifle cartridges with precision and consistency. Whether you are a high-volume shooter, a professional gun instructor, or a dedicated handloading enthusiast, this die set from RCBS, a trusted leader in reloading equipment since 1943, ensures reliable results every time. Note: Cases must be lubricated before use, and a shell holder is not included with this set. Product Highlights Complete 3-Die Roll Crimp Set: Includes a Sizer Die, Expander Die, and Seater Die, covering every stage of the straight-wall cartridge reloading process for 45-70 Government. Steel Sizer Die: Resizes the case to proper dimensions and de-primes spent cases in a single, efficient step. Expander Die: Expands the case mouth to the correct diameter for smooth bullet feeding, and applies a case mouth flare/bell for improved bullet alignment. Seater Die with Roll Crimp: Precisely seats the bullet to the correct depth and applies a uniform roll crimp for consistent, secure bullet retention. RCBS Precision Engineering: Backed by over six decades of innovation, these dies are manufactured to tight tolerances, delivering repeatable accuracy and long-lasting performance. Specs Brand: RCBS MPN: 20904 UPC: 076683209047 Series: Group C Model: Roll Crimp 3-Die Set Die Type: Sizer / Expander / Seater Caliber: 45-70 Government Cartridge Type: Straight-Wall Gun Type: Rifle Number of Dies in Set: 3 Material: Steel Color: Silver Shell Holder Included: No 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. ]]>