Hornady Bullets .22 cal 55 grain Full Metal Jacket Boat Tail w/Cannelure 0.224 inch Diameter 1000-Rounds. 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 breaking. Specifications for Hornady Traditional Rifle Bullets: Manufacturer: Hornady Gun Type: Rifle Bullet Type: Full Metal Jacket (FMJ) Features of Hornady Traditional Rifle Bullets RUGGED AMP BULLET JACKET Hornady Traditional and FMJ bullets are built with a rugged AMP bullet jacket (Advanced Manufacturing Process) that clearly delivers better performance. SUPERIOR DESIGN The thin-plated full metal jacket offered by other manufacturers is easily distorted and often breaks or separates when the bullet impacts the target. VIRTUALLY ZERO VARIATION The Hornady AMP bullet jacket features virtually zero tolerance for concentricity and near-zero wall thickness variation punching through targets without deforming or breaking. Package Contents: Hornady Traditional Rifle Bullets Hornady 22672: Bullets .22 cal 55 grain Full Metal Jacket Boat Tail w/Cannelure 0.224 inch Diameter 1000-Rounds