Liberty Ammunition's Silverado Lead-Free rifle catridges are monolithic, deep-cavity, fragmenting rifle rounds, the world's first high-performance .223 Remington rounds that deliver superior lethality. Made of nickel-plated copper bullets, the rounds leverage Liberty's proven and patented technologies to deliver superior range, accuracy, and terminal effect. Specifications: 223 Rem/55 gr/Hollow Point Boat-Tail (HPBT)/20 Per Box/50 Cs