Barnes Bullets Tipped TSX 30 Caliber .308 168 GR TTSX Boat Tail 50 Box. 30 caliber. The overall objective is to produce the hottest most accurate and best performing ammunition. Tip Expansion allows for rapid expansion and instant killing power at any range. If you need a one-shot solution for long-range varmint hunting look no further than these Barnes Tip Expansion Tsx Rifle Bullets. These bullets deliver unmatched accuracy and expansion and can be used with a variety of different cartridges depending on the model. However Tip Expansion TSX Bullets are designed for accuracy and expansion and as such should never be seated directly at the blade of the bullet. Tip Expansion TSX Bullets have a reputation for being extremely destructive and as such are often described as terminal on long-range varmint hunting cartridges. Specifications for Barnes Bullets 30370 Tipped TSX 30 Caliber .308 168 GR TTSX Boat Tail 50 Box: Manufacturer: Barnes Bullet Type: Boat Tail Hollow Point (BTHP) Hollow Point (HP) Bullet Weight: 168 grain Projectile Caliber: .30 Caliber Sectional Density: 0.253 Bullet Quantity: 50 Bullet Housing/Frame Material: Copper Fabric/Material: Copper Package Contents: Barnes Bullets 30370 Tipped TSX 30 Caliber .308 168 GR TTSX Boat Tail 50 Box Barnes Bullets 30370 Tipped TSX 30 Caliber .308 168 GR TTSX Boat Tail 50 Box