Product Features & SpecificationsDesigned for short-range defensive situations, a new breed of FTX bullets are at the forefront of the Critical Defense Rifle ammunition line. The bullet's patented Flex Tip not only helps keep the nose cavity-free from clogging as it passes through heavy clothing but also helps the bullet expand at low velocities. Specifications: Series: FTX Caliber: 223 Remington/5.56 NATO Bullet Type: Flex Tip Expanding Bullet Weight: 55 GR Rounds Per Box: 20 SKU 80270 UPC 090255802702