Barnes Bullets LRX 338 Caliber .338 250 GR LRX Boat Tail 50 Box. Loaded with hot new features like Barnes' all-new solid base acculeon tip and nose cavity LRX bullets are loaded with a copper-alloy "jacket" that delivers rapid expansion and high weight retention upon impact. The all-new LRX is a sleek and deadly .338 caliber boat tail that when paired with a quality Barnes VOR-TX cartridge will bring considerable terminal performance to the big game hunter. Specifications for Barnes Bullets 31150 LRX 338 Caliber .338 250 GR LRX Boat Tail 50 Box: Manufacturer: Barnes Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 250 grain Projectile Caliber: .338 Caliber Sectional Density: 0.313 Bullet Quantity: 50 Bullet Country of Origin: USA Package Contents: Barnes Bullets 31150 LRX 338 Caliber .338 250 GR LRX Boat Tail 50 Box Barnes Bullets 31150 LRX 338 Caliber .338 250 GR LRX Boat Tail 50 Box