The Hornady SUB-X 338 Caliber 307gr is a heavy projectile designed for use in .338 caliber cartridges, such as the 338 ARC. This bullet is engineered for subsonic velocities and features a lead core with a flexible tip intended to aid in expansion at lower impact speeds. The design includes a gilding metal jacket with grooves and a flat profile, which are common features in bullets designed for controlled expansion. It also features a cannelure to assist with consistent case crimping during the reloading process. Specifications for this component typically include a sectional density of .384 and a G1 ballistic coefficient of .375. Hornady SUB-X 338 Cal (.338 ARC) 307gr Bullets (50/Box) 33394