The Barnes 7.62x39mm 108 grain hollow point flat base bullets feature a frangible copper-tin core made from powdered-metal construction with a unique gliding metal jacket for superior performance and reliability.Barnes 7.62x39mm (.310") 108 grain hollow point flat base bulletsFrangible copper-tin core made from powdered-metalUnique gliding metal jacket prevents premature fragmentationLead-free construction for enhanced safetyDesigned to remain intact during rough handling and feedingReduces gun jamming issues compared to standard bullets50 bullets per boxSpecifically engineered for law enforcement officials and military tactical shooters who demand consistent performance and reliability in critical situations.