.223 Processed and Primed Reloading Brass and 55gr Reloading Bullets Reloading Brass Case Headstamps Are Mixed Fully Processed, Primed, and Ready To Load .223 Cases 100% Brass Casings 250 Brass Cases Reloading Bullets 55GR Full Metal Jacket With Cannelure Sectional Density: 0.157 Ballistic Coefficient: 0.243 .224 Diameter 250 Bullets .223 processed and primed reloading brass with Ginex small rifle reloading primer and 55gr FMJ .projectiles. Just add powder and you are ready for the range!