Barnes Vor-Tx .30-06 Springfield 180 grain TTSX Boat Tail Centerfire Rifle Ammo 20 Rounds. 30-06 Springfield 180 grain TTSX Boat Tail Centerfire Rifle Ammunition. This rifle ammo is loaded with TSX Tipped TSX and TSX FN bullets by Barnes and they provide maximum tissue and bone destruction pass-through penetration and a devastating energy transfer that leaves little question as to the accuracy of the round. For this reason it is one of the most popular rounds in the world for hunting game. The all copper double-diameter design matched with a pure lead core makes this 30-06 slug one of the most effective cartridges for hunting as it is. For this reason it is often used on larger game. Specifications for Barnes Vor-Tx .30-06 Springfield 180 grain TTSX Boat Tail Centerfire Rifle Ammunition: Manufacturer: Barnes Caliber: .30-06 Springfield Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 180 grain Cartridge Case Material: Brass Muzzle Velocity: 2750 ft/s Application: Big Game Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.484 Lead Free: Yes Package Contents: Barnes Vor-Tx .30-06 Springfield 180gr TTSX BT Rifle Cartridges - 20 Rounds What is Barnes Vor-Tx .30-06 Springfield 180 grain TTSX Boat Tail Centerfire Rifle Ammunition good for? The manufacturer says that it is best for big game.Barnes Vor-Tx .30-06 Springfield 180 grain TTSX Boat Tail Centerfire Rifle Ammo 20 Rounds 21533