Hornady 300 Remington Ultra Magnum Unprimed Brass Cases 20 Count

Overview

Hornady .300 RUM unprimed brass cartridge cases (supplied in a 20-pack) are manufactured with stringent precision, featuring consistent wall concentricity, uniform weight and internal capacity, and pressure-calibrated testing to ensure proper case expansion. These cases allow for correct bullet seating in both the case and chamber, promoting reliable and repeatable accuracy, optimal velocity, and consistent charges and pressures. As new unprimed rifle brass, minor cosmetic imperfections such as tumbling dents or anneal stains may occasionally be present from the manufacturing process, which generally resolve upon firing or initial case preparation.

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