Barnes Bullets Tipped TSX 338 Caliber .338 160 GR TTSX Flat Base 50 Box. These bullets offer one-shot kill capability thanks to the polymer tip that increases ballistic coefficient that enhances ballistics in the long range while providing fast expansion. Upon impact these bullets have four razor sharp petals that increase diameter by 50 percent and deliver a powerful punch. Made from 100 percent copper experts agree that the best accuracy with these bullets is found when seating between 0.030 and 0.070 inches off the lands depending on the type of rifle firing. Specifications for Barnes Bullets 30424 Tipped TSX 338 Caliber .338 160 GR TTSX Flat Base 50 Box: Manufacturer: Barnes Bullet Type: Flat Base Tipped (FBT) Bullet Weight: 160 grain Projectile Caliber: .338 Caliber Sectional Density: 0.2 Bullet Quantity: 50 Bullet Housing/Frame Material: Copper Fabric/Material: Copper Package Contents: Barnes Bullets 30424 Tipped TSX 338 Caliber .338 160 GR TTSX Flat Base 50 Box Barnes Bullets 30424 Tipped TSX 338 Caliber .338 160 GR TTSX Flat Base 50 Box