Barnes Bullets TSX 30 Caliber .308 150 GR TSX Boat Tail 50 Box. The patented Barnes X-Bullet has been tested and used by shooters all over the world. The patented Barnes X-Bullet expands on impact to create massive energy transfer delivering deep penetration and extreme energy on target. Reloaders can greatly reduce the cost of a bullet by loading it with only the right type of powder and by observing the loading data for the given load. For handguns chambered in .30 caliber the .308 150 gr TSX is the right choice for any hunter looking for supreme accuracy with a heavy duty .308 grain and class leading BC. Specifications for Barnes Bullets 30347 TSX 30 Caliber .308 150 GR TSX Boat Tail 50 Box: Manufacturer: Barnes Bullet Type: Hollow Point (HP) Boat Tail Hollow Point (BTHP) Bullet Weight: 150 grain Projectile Caliber: .30 Caliber Sectional Density: 0.226 Bullet Quantity: 50 Bullet Country of Origin: USA Housing/Frame Material: Copper Fabric/Material: Copper Package Contents: Barnes Bullets 30347 TSX 30 Caliber .308 150 GR TSX Boat Tail 50 Box Barnes Bullets 30347 TSX 30 Caliber .308 150 GR TSX Boat Tail 50 Box