Product Description Lake City Rifle Ammunition 5.56MM M193 55 gr. FMJ 600/ct Case (4-150 RD Boxes) Other Details Compliance Item Type: Rifle Ammo Brand: Winchester CA Prop 65: Yes Allocated Item?: No Rounds: 600 Velocity: 3190 fps Case Material: Brass Brand Family: Lake City Energy: 1235 ft-lbs Bullet Type: FMJ Caliber: 5.56mm Available Drop Ship Delivery Options: ground Grain: 55 gr