PMC's (Precision Made Cartridge) X-Tac ammunition follows the precise specifications of military and law enforcement organizations with exacting adherence to ensure it will perform perfectly in that fraction of a second when a serious threat arises. PMCs X-TAC ammunition is powerful accurate and dependable because in a life-threatening situation no other standard is acceptable.PMC X-TAC 5.56 NATO XM193 55 Grain FMJ5.56x45mm NATO 55 GrainFull Metal Jacket Boat Tail20 Rounds Per Box1000 Rounds Per CaseIncludes (3) Magpul PMAG Gen M2 MOE AR-15/M16/M4 223/5.56 Magazines - 30 Round (Polymer)Newly-Made Reloadable BrassPMC Ammunition is a division of the Poongsan Corporation which produces brass and other components in-house to eliminate dependence on outside suppliers. PMC X-Tac 5.56 ammo features reloadable brass cases non-corrosive boxer primers and 55-grain FMJBT projectiles. This 5.56 NATO ammo offers great accuracy for your AR-15 making it great for competitions match use or practice. The PMC X-TAC Line is manufactured to the highest industry and military specifications to ensure it performs without fail! Order your 5.56 NATO ammo online today!Want to check out our full selection of 223/5.56 ammunition? Click here!Need a new scope for your rifle? Click here!Please note: 5.56X was previously sold as SKU: XP193 - PMC has changed their SKU designation recently. Ammunition Depot has changed XP193 to 5.56X but the ammo itself remains unchanged.