Product Description Build consistent, match-grade handloads with Weatherby Unprimed Brass Cases in .338-378 Weatherby Magnum. These premium rifle cartridge cases are made with Norma Precision brass and feature CNC-machined primer pockets produced to match-grade specifications, helping deliver reliable fit and uniformity from case to case. Packaged as 20 unprimed cases per box for serious reloaders and Weatherby Magnum performance. Product Highlights Premium Norma Precision brass for consistent reloading performance CNC-machined primer pockets produced to match-grade specifications Unprimed rifle brass cases ready for your preferred primers and load data Designed for .338-378 Weatherby Magnum chamberings Convenient 20-count box for load development and hunting prep Specs Brand: Weatherby Manufacturer Part Number: BRASS333 UPC: 747115070749 Cartridge/Caliber: .338-378 Weatherby Magnum Type: Unprimed rifle cartridge cases (brass) Brass: Norma Precision brass Primer Pocket: CNC-machined; match-grade specification Quantity: 20 per box Package Dimensions (L x W x H): 6.40 x 3.90 x 1.30 in Package Weight: 1.00 lb 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.