PMC X-Tac 5.56 NATO 62 Grain M855 Green Tip Battle Pack ammunition features a steel-penetrator projectile for improved barrier penetration over standard FMJ loads. Delivering 3,100 fps and 1,323 ft-lbs of energy, it offers reliable NATO-spec performance in AR-15 platforms. The 120-round pack is vacuum-sealed for moisture resistance and long-term storage. Loaded in non-corrosive, Boxer-primed, reloadable brass. Note: Many indoor ranges prohibit steel-core ammo.