Quick viewPMC X-Tac Rifle Ammunition 5.56mm 62GR Green Tip 20 RoundsPMC Was: $12.99 Now: $8.99 PMC X-TAC 5.56 NATO round contains the M855 penetrator bullet, which is a lead core design with a mild steel penetrator under the full metal jacket. This 5.56 bullet deforms less on impact than standard full metal jacket rounds, has increased stabilityCompare