Browning BXS .30-06 Springfield 180 grain Solid Expansion Polymer Tip Centerfire Rifle Ammo 20 Rounds. The polymer tipped copper bullet is constructed for controlled expansion and deep penetration creating a devastating impact. The nickel-plated shellcases resist corrosion and improve feeding so you can quickly deliver with knockdown assurance. Specifications for Browning BXS .30-06 Springfield 180 Grain Solid Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition: Manufacturer: Browning Caliber: .30-06 Springfield Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 180 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 2750 ft/s Application: Large Game Package Type: Box Primer Style: Centerfire Last Chance: Yes Package Contents: Browning BXS .30-06 Springfield 180 Grain Solid Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition What is Browning BXS .30-06 Springfield 180 Grain Solid Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition good for? The manufacturer suggests that it is best for large game.Browning B192430061: BXS .30-06 Springfield 180 grain Solid Expansion Polymer Tip Centerfire Rifle Ammo 20 Rounds