Barnes Bullets TSX 30 Caliber .308 165 GR TSX Boat Tail 50 Box. These bullets are designed to expand upon impact producing four razor sharp petals with deep cutting capability. For hunters who want to ensure a one-shot kill the bullets penetrate dense bone and tissue. In addition the bullets are designed to retain 100 percent of the original weight. The manufacturer states the best accuracy is found when seating from 0.03 to 0.07 inches based on the rifle being used. These live bullets are ready to take down big game. Specifications for Barnes Bullets 30349 TSX 30 Caliber .308 165 GR TSX Boat Tail 50 Box: Manufacturer: Barnes Bullet Type: Hollow Point (HP) Boat Tail Hollow Point (BTHP) Bullet Weight: 165 grain Projectile Caliber: .30 Caliber Sectional Density: 0.248 Bullet Quantity: 50 Bullet Country of Origin: USA Housing/Frame Material: Copper Fabric/Material: Copper Package Contents: Barnes Bullets 30349 TSX 30 Caliber .308 165 GR TSX Boat Tail 50 Box Barnes Bullets 30349 TSX 30 Caliber .308 165 GR TSX Boat Tail 50 Box