Fiocchi Range Dynamics .223 Rem 45 Grain Lead Free Frangible Brass Rifle Ammo 20 Rounds. Fiocchis Range Dynamics centerfire rifle cartridges have you covered for high-volume fun equipment testing and skill development. Available for all the popular chamber sizes Range Dynamics ammunition utilizes flight-stable full metal jacket boattail bullets combined with the same high-quality components and construction serious shooters have come to expect from Fiocchi. Specifications for Fiocchi Range Dynamics .223 Rem 45 Grain Lead Free Frangible Brass Rifle Ammunition: Manufacturer: Fiocchi Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Lead Free Frangible Bullet Weight: 45 grain Cartridge Case Material: Brass Application: Hunting Package Contents: Fiocchi Range Dynamics .223 Rem 45 Grain Lead Free Frangible Brass Rifle Ammunition What is Fiocchi Range Dynamics .223 Rem 45 Grain Lead Free Frangible Brass Rifle Ammunition good for? The manufacturer thinks that it is best for hunting.Fiocchi 223FRG20: Range Dynamics .223 Rem 45 Grain Lead Free Frangible Brass Rifle Ammo 20 Rounds