Shellcases for handguns and rifles are engineered to precise tolerances to ensure smooth-feeding and positive chambering. Winchester carries unprimed rifle shellcases and both primed and unprimed handgun shellcases. These 300 Blackout brass cases are perfect for reloading or making your own custom hunting loads.

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Winchester Components 300 Blackout Unprimed Brass, Pack of 100 - WSC300BLKU