This Black Hills 5.56x45mm Ammo load was developed for AR-15 platform firearms. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. Energy: 1239 Ft. Lbs. 62 Gr. Dual Performance™. Velocity: 3000 FPS. Energy: 1239 Ft. Lbs. 69 Gr. Open Tip Match.