Sierra Bullets GameChanger .270 Winchester 140 grain Sierra Bullets Tipped GameKing Brass Cased Centerfire Rifle Ammo 20 Rounds. Each GameChanger round utilizes a Sierra Tipped GameKing bullet with an extremely accurate boat tail profile and a polymer tip seated in a hollow point design for fast expansion upon impact. A lead core encased in a thick tough copper jacket delivers outstanding penetration and controlled expansion at any range. The 270 Winchester just got a little better. Sierra s GameChanger ammunition breathes new life into this fine old cartridge. The 140 grain Tipped GameKing with a G1 BC of .508 traveling at 2960 FPS when it leaves your barrel. This GameChanger is bad medicine on deer elk and bear. If you want pin-point accuracy and serious expansion combined with deep penetration pick up a box of .270 Winchester GameChanger ammunition. You ll be glad you did. Specifications for Sierra Bullets GameChanger .270 Winchester 140 Grain Sierra Bullets Tipped GameKing Brass Cased Centerfire Rifle Ammunition: Manufacturer: Sierra Bullets Caliber: .270 Winchester Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 140 grain Cartridge Case Material: Brass Muzzle Velocity: 2960 ft/s Application: Large Game Package Type: Box Primer Style: Centerfire Lead Free: No Package Contents: Sierra Bullets GameChanger .270 Winchester 140 grain Sierra Bullets Tipped GameKing Brass Cased Centerfire Rifle Ammunition What is Sierra Bullets GameChanger .270 Winchester 140 Grain Sierra Bullets Tipped GameKing Brass Cased Centerfire Rifle Ammunition good for? The manufacturer suggests that it is suitable for large game.Sierra Bullets A4440--03: GameChanger .270 Winchester 140 grain Sierra Bullets Tipped GameKing Brass Cased Centerfire Rifle Ammo 20 Rounds