Federal Vital-Shok 308 Winchester Ammo 150 Grain NBT ammo review offers the following information; For nearly a century Federal Ammunition has put its focus on manufacturing quality products with cutting edge technology. This dedication to excellence has given Federal a competitive edge as an ammunition technology giant. Today the company is well known for producing high grade centerfire, rimfire, and shotshell ammunition that shooters everywhere know and trust. Quality hunting ammunition designed for maximum performance and reliability. Premium hunting bullets are matched with select powders, primers and brass to create a reliable, hard-hitting hunting cartridge. Nosler Ballistic Tip Hunting bullets have been trusted by hunters for nearly 25 years. They are precision made and individually inspected for the utmost quality which translates to incredible accuracy with every shot. The polycarbonate tip resists deformation in the magazine and initiates expansion upon impact.