PMC's exacting adherence to the precise, demanding specifications of the military, assures that X-TAC ammunition will perform perfectly in that fraction of a second when an officer's life is on the line. The PMC 5.56 cartridge is loaded with PMC2222 ball poweder for accuracy and reduced muzzle flash -- important critical in miltiary and law enforcement applications. Also available for the X-TAC ammunition is PMC's 5.56K Green Tip armor piercing round. It is constructed with a steel and lead core for ultimate penetration when circumstances demand it. PMC's 5.56K is stricly limited to military and law enforcement use.