Peterson .300 WSM Casings Box of 50 40079-R

The Peterson .300 WSM Box of 50 offers premium, unprimed brass casings crafted in the USA for handloaders seeking consistent quality and performance. These match-grade cases feature uniform dimensions, a large rifle magnum primer pocket, and durable construction, making them ideal for multiple reloads and precision shooting with the .300 Winchester Short Magnum cartridge.