Barnes Vor-TxRifle Cartridges .270 Winchester Short Magnum TSX Boat Tail 140 Grain 20 - Rounds 21559. When you use these Rifle Ammo by Barnes you get maximum energy transfer that produces a devastating wound channel that puts all the more pressure on the animal you're shooting at. Plus you get 100percent weight retention with every shot leading to impressive deep penetration. The all-copper construction on the Barnes Vor-Tx 270 WSM Ammo creates double-diameter expansion that guarantees complete penetration and reliable double-diameter expansion with every shot. Stay on target with every shot when you back it up with this Barnes Vor-Tx 270 WSM Ammo w/ 140gr TSX BT Bullet. Specifications for Barnes Vor-Tx .270 Winchester Short Magnum 140gr TSX BT Rifle Cartridges: Manufacturer: Barnes Caliber: .270 Winchester Short Magnum Number of Rounds: 20 Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 140 grain Cartridge Case Material: Brass Muzzle Velocity: 3135 ft/s Muzzle Energy: 3056 ft-lbs Application: Big Game Package Type: Box Included Accessories: None Primer Style: Centerfire G1 Ballistic Coefficient: 0.404 Lead Free: Yes Velocity: 2850 fps Package Contents: Barnes Vor-Tx .270 Winchester Short Magnum 140gr TSX BT Rifle Cartridges - 20 Rounds What is Barnes Vor-Tx .270 Winchester Short Magnum 140gr TSX BT Rifle Cartridges good for? The manufacturer suggests that it is best for big game.Barnes Vor-TxRifle Cartridges .270 Winchester Short Magnum TSX Boat Tail 140 Grain 20 - Rounds 21559