SinterFire GreenLine .223 Remington 55 Frangible Brass Rifle Ammo 50 Rounds. The ammunition is loaded with SinterFire projectiles according to the specific product line of choice. These multiple product lines ensure that whatever your application SinterFire has a product to fit your requirements. Specifications for SinterFire GreenLine .223 Remington 55 Grain Frangible Brass Rifle Ammunition: Manufacturer: SinterFire Caliber: .223 Remington Number of Rounds: 50 Bullet Type: Frangible Bullet Weight: 55 grain Cartridge Case Material: Brass Muzzle Velocity: 3020 ft/s Application: All Purpose Lead Free: Yes Features of SinterFire GreenLine .223 Remington 55 Grain Frangible Brass Rifle Ammunition Lead free monolithic copper projectile (nonfrangible) Loaded with a standard primer Package Contents: SinterFire GreenLine .223 Remington 55 Grain Frangible Brass Rifle Ammunition What is SinterFire GreenLine .223 Remington 55 Grain Frangible Brass Rifle Ammunition good for? The manufacturer suggests that it is good for all purpose.SinterFire SF22355GL-C: GreenLine .223 Remington 55 Grain Frangible Brass Rifle Ammo 50 Rounds