Federal 280 Ackley Improved Ammo 140 Grain Trophy Copper Tipped BT Lead-Free ammo review offers the following information; Federal Premium is 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. Get pinpoint accuracy, superior penetration and aggressive expansion in a copper, polymer-tipped bullet with the Trophy Copper, the official rifle ammunition of MeatEater's Steven Rinella. The projectile provides flat trajectories and tremendous downrange performance on everything from antelope to moose. This ammunition is new production, non-corrosive, in boxer primed, reloadable cases.