Description Winchester 300 WIN MAG Unprimed Brass 50 Count Made with a strict regimen of manufacturing standards, Winchester Unprimed Rifle Brass Cartridge Cases are built to hold up under even the most difficult conditions. These Winchester Rifle Shellcases are undated, which means that they can be loaded and reloaded without causing damage to the sensitive primer. Assemble these Winchester Unprimed Brass Cartridge Cases with the deburred and chamfered portion still intact, and you're ready for some reliable rounds. Sometimes during the manufacturing process, slight shifts can occur that cause imperfect round mouths, but the majority of the time they can be used as-is, deburred and chamfered. However, imperfect round mouths should be sized, deburred and chamfered before attemptnig to fire. The cases in this condition should not be considered “loaded” and should be sized, deburred and chamfered before firing. The Winchester Unprimed Brass Rifle Cartridge Cases 300 WSM come in a 50-piece box. For optimal accuracy and performance, competitive shooters and game hunters alike prefer using Winchester Unprimed Brass Rifle Cartridge Cases. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
