Barnes TSX Rifle Bullets .224 Valkyrie Boat Tail 78 grain 50 Bullets/Box Copper. The deadly effectiveness of the original Barnes X Bullet with: - All-copper construction - Sleek profile and precision heel radius in FB and BT designs - Accu-Groove technology for decreased fouling and top accuracy - Devastating terminal performance - Available in select Barnes VOR-TX ammunition offerings Specifications for Barnes TSX .224 Rifle Bullets: Manufacturer: Barnes Gun Type: Rifle Bullet Type: Boat Tail (BT) Bullet Weight: 78 grain Projectile Caliber: .224 Caliber Diameter: 0.224 in G7 Ballistic Coefficient: 0.383 Sectional Density: 0.222 Core Material: Copper Jacket Material: Copper Bullet Quantity: 50 Bullet Length: 1.145 in Country of Origin: USA Fabric/Material: Copper Package Contents: Barnes TSX .224 Rifle Bullets Barnes 30204: TSX Rifle Bullets .224 Valkyrie Boat Tail (BT) 78 grain 50 Bullets/Box Copper