PMC X-Tac XM193 5.56mm NATO 55gr FMJBT Rifle Ammo with FDE Can - 300 Rounds - Manufactured to the exacting specifications required by such organizations and demanded by our customers, X-TAC is the choice for the professional and enthusiast alike. At PMC, we know your job demands that you think of everything. But we also know that when the chips are down you shouldn't be thinking about your ammunition. XM193; FDE Can 300 Rounds;