Hornady .3105 303 Cal 174 Grain Fmj-bt Projectiles 100 Pack – For 303 BritishHornady FMJ bullets are built with a rugged AMP bullet jacket (Advanced Manufacturing Process) that clearly delivers better performance. The thin plated full metal jacket offered by other manufacturers is easily distorted and often breaks or separates when the bullet impacts the target. The Hornady AMP bullet jacket features virtually zero tolerance for concentricity and near zero wall thickness variation, punching through targets without deforming or