Barnes Varmint Grenade Rifle Bullets .223 Caliber 50 Grain Flat Base 100 Bullets. Sold in boxes of 100 and 250 these bullets can be used to hunt small and large game. One of the key benefits is that because the bullets have high velocity and fragment upon impact they leave no exit wound. As a result pelts are salvaged and if wanted can be sold. These bullets are designed with a copper/tin composite core making them extremely accurate. In addition the bullets are in compliance with the Condor Preservation Act and California Lead-Free Ban. Specifications for Barnes Varmint Grenade Rifle Bullets .223 Caliber 50 Grain Flat Base: Manufacturer: Barnes Bullet Type: Flat Base (FB) Caliber: .223 Remington Bullet Weight: 50 grain Projectile Caliber: .22 Caliber Bullet Quantity: 100 Bullet Country of Origin: USA Package Contents: Barnes Varmint Grenade Rifle Bullets .223 Caliber 50 Grain Flat Base Barnes 30198: Varmint Grenade Rifle Bullets .223 Caliber 50 Grain Flat Base 100 Bullets