PETERSON CARTRIDGE 270 WSM BRASS The Peterson Cartridge 270 WSM Brass is engineered for shooters who demand exceptional precision, durability, and consistency from their reloading components. Manufactured in the USA with Peterson's renowned match-grade standards, this brass offers uniform dimensions, tight tolerances, and outstanding case life. Each case is meticulously formed and heat-treated to deliver reliable performance across multiple reload cycles, making it an ideal choice for hunters, long-range shooters, and precision reloaders who want the most from their 270 Winchester Short Magnum platform. With superior concentricity and consistent internal volume, Peter Mfg: Peterson Cartridge