Manufactured in Serbia & Montenegro (formerly Yugoslavia) and used worldwide, Prvi Partizan has mastered the highest possible technological processes for ammunition production resulting in exceptional quality ammunition at an affordable price. With a 75 year old tradition, Prvi Partizan produces quality high performance ammunition in accordance with all C.I.P. and SAAMI standards. All Prvi Partizan ammunition features boxer primed, reloadable brass cases. This is loaded ammunition. NOTE: Not intended for use in SAAMI spec 223 Remington chambers.