Browning BXV .243 Winchester 65 grain Polymer Tip Centerfire Rifle Ammo 20 Rounds. The polymer tip improves ballistic coefficient resulting in flatter trajectory and higher downrange velocity. Specifications for Browning BXV .243 Winchester 65 Grain Polymer Tip Brass Cased Centerfire Rifle Ammunition: Manufacturer: Browning Caliber: .243 Winchester Number of Rounds: 20 Bullet Type: Spitzer Bullet Weight: 65 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 3400 ft/s Application: Varmint Package Type: Box Primer Style: Centerfire Package Contents: Browning BXV .243 Winchester 65 Grain Polymer Tip Brass Cased Centerfire Rifle Ammunition What is Browning BXV .243 Winchester 65 Grain Polymer Tip Brass Cased Centerfire Rifle Ammunition good for? The manufacturer thinks that it is suitable for varmint.Browning B192302431: BXV .243 Winchester 65 grain Polymer Tip Centerfire Rifle Ammo 20 Rounds