Product DescriptionPeterson Cartridge .300 Remington Ultra Magnum (RUM) brass cases are built for serious rifle reloaders who want consistent performance and dependable case life. This 250-count box of premium brass is designed for the .300 RUM cartridge and is ideal for precision handloading, whether you are building hunting loads or developing accurate long-range rifle ammunition.Product Highlights Premium Peterson Cartridge rifle brass cases for .300 Remington Ultra Magnum (RUM) reloads Bulk 250-count box is ideal for high-volume load development and match prep Brass construction for reliable resizing, reloading, and long-term durability Designed specifically for rifle applications in .300 RUM Great choice for precision reloaders seeking consistent component qualitySpecs Brand: Peterson Cartridge Manufacturer Part Number: 40070-P UPC: 810068270495 Cartridge / Caliber: .300 RUM (Remington Ultra Magnum) Firearm Type: Rifle Material: Brass Quantity: 250 count Approx. Package Dimensions (L x W x H): 10.6 x 10.6 x 5.1 in Approx. Package Weight: 11.76 lbDisclaimer: 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.