Thanks to its tremendous stopping power, deep penetration, awesome mushrooming and dead-on accuracy, Guardian Gold is fast-becoming a favorite among those seeking reliable, affordable personal protection.The reliability of Guardian Gold ammunition is a result of extensive quality control. Each phase of the loading process undergoes a thorough inspection, with the final inspection using a sophisticated electronic measurement system to determine correct chamber feeding. Over 20 national police agencies and countless local agencies throughout the world depend on Magtech products for their training and service ammunition. All Magtech ammunition is loaded to SAAMI and CIP specifications.This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.