Caliber: .223 Remington Grain: 60 Type: Elite Hunting HT Muzzle Velocity: 3100 fps Muzzle Energy: 1280 ft-lb Quantity: 20 rounds ELITE COPPER HUNTING all copper superior hunting rounds yield consistent 1.8X diameter expansion using premium-quality powders and primers for minimum velocity variation. Perfected for AR style rifle feeding, optimized nose geometry combined with premium nickel-plated shell casings deliver consistently reliable accuracy for taking down game. FEATURES: California lead free in compliance with California Fish and Game Code Section 30004.5 Consistent 1.8X diameter expansion Lead-free projectile AR-style rifle feeding