Liberty Ammunition Steel Plate and Range 223 Rem 55 Grain Non Lead Projectile Brass Cased Rifle Ammo 20 Rounds. 223 Remington Number of Rounds: 20 Bullet Type: Hollow Point (HP) Bullet Weight: 55 grain Cartridge Case Material: Brass Muzzle Velocity: 3100 ft/s Application: Range Practice Primer Style: Centerfire Lead Free: Yes Package Contents: Liberty Ammunition Steel Plate and Range 223 Rem 55 Grain Non Lead Projectile Brass casing Cased Rifle Ammunition What is Liberty Ammunition Steel Plate and Range 223 Rem 55 Grain Non Lead Projectile Brass Cased Rifle Ammunition good for? The manufacturer thinks that it is best for practice range.Liberty Ammunition LA-R-223-070: Steel Plate and Range 223 Rem 55 Grain Non Lead Projectile Brass Cased Rifle Ammo 20 Rounds