SinterFire NXG .223 Remington 50 Grain Lead-Free Ball 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 NXG .223 Remington 50 Grain Lead-Free Ball Brass Rifle Ammunition: Manufacturer: SinterFire Caliber: .223 Remington Number of Rounds: 50 Bullet Type: Frangible Bullet Weight: 50 grain Cartridge Case Material: Brass Muzzle Velocity: 3100 ft/s Application: All Purpose Lead Free: Yes Features of SinterFire NXG .223 Remington 50 Grain Lead-Free Ball Brass Rifle Ammunition Lead free monolithic copper projectile (nonfrangible) Loaded with a standard primer Package Contents: SinterFire NXG .223 Remington 50 Grain Lead-Free Ball Brass Rifle Ammunition What is SinterFire NXG .223 Remington 50 Grain Lead-Free Ball Brass Rifle Ammunition good for? The manufacturer says that it is good for all purpose.SinterFire SF22350NXG: NXG .223 Remington 50 Grain Lead-Free Ball Brass Rifle Ammo 50 Rounds