Product Description Lake City Rifle Ammunition 5.56mm M193 55 gr. FMJ 3270 fps (4-200rd boxes) 800/ct Case Other Details Brand: Winchester Rounds: 800 CA Prop 65: Yes Allocated Item?: No Energy: 1306 ft-lbs Case Material: Brass Brand Family: Lake City Velocity: 3270 fps Bullet Type: FMJ Caliber: 5.56mm Available Drop Ship Delivery Options: ground Grain: 55 gr