Vor-tx ammunition delivers handloaded precision in a factory round super-engineered.Expect complete penetration from barnes' all-copper bullet technology with virtually 100% weight retention and double-diameter expansion.It's a flawless confluence of bullet integrity and predictable bone-busting chaos that puts animals on the ground like nothing else.They're the deadliest and most accurate hunting loads on the planet.The safari ammunition features the destructive power of tsx bullets and the virtually indestructible straight-tracking deep-penetrating banded solids.Caliber: 458 LottBullet Type: Barnes TSX Flat Base (TSXFB)Bullet Weight: 500 grMuzzle Energy: 5375 ft lbsMuzzle Velocity: 2200 fpsRounds Per Box: 20Boxes Per Case: 10Application: HuntingCasing Material: BrassHazair: Yes