SIG SAUER Elite Copper Hunting .223 Remington 60 grain Hunting Tipped Brass Cased Centerfire Rifle Ammo 20 Rounds. 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 shell casings deliver consistently reliable accuracy for taking down game. Specifications for SIG SAUER Elite Copper Hunting .223 Remington 60 grain Hunting Tipped Brass Cased Centerfire Rifle Ammunition: Manufacturer: SIG SAUER Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 60 grain Cartridge Case Material: Brass Muzzle Velocity: 3100 ft/s Application: Hunting Package Type: Box Primer Style: Centerfire Features of SIG SAUER Elite Copper Hunting .223 Remington 60gr Rifle Ammo Precision centerfire hunting cartridges 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 Muzzle Energy: 1280 ft-lb Package Contents: SIG SAUER Elite Copper Hunting .223 Remington 60gr Rifle Ammo SIG SAUER Infinite Guarantee What is SIG SAUER Elite Copper Hunting .223 Remington 60 grain Hunting Tipped Brass Cased Centerfire Rifle Ammunition good for? The manufacturer says that it is good for hunting.SIG SAUER E223H1-20: Elite Copper Hunting Rifle Ammunition .223 Remington 60 grain 20 Rounds/ Box Brass