Hornady Unprimed Brass Rifle Cartridge Cases 6mm ARC 50/ct

The 6mm ARC does what much larger cartridges can and everything that smaller cartridges can't. It delivers substantially better ballistics than the 223 and offers a much lighter gun/ammo system with 30% less weight than the AR-10/308 Win system. Overall, the 6mm ARC delivers optimum all-range performance and barrel life.