Loaded with Lapua's TRX solid-copper bullet, TrueRange Expanding Ammunition offers exceptional ballistics and devastating terminal performance. Its polymer tipped projectile delivers pinpoint precision with a high BC, controlled expansion, unmatched weight retention and energy transfer suitable for the demanding hunter. Lapua TRX Ammunition features the highest quality components recognized by the world's best precision shooting enthusiasts, including Lapua cartridge cases and Vihtavuori propellants. All Lapua TRX ammunition is assembled with patented Air Lock water-proof technology, protecting the powder and primer in your ammo from harmful moisture and other elements detrimental to ignition. This ammunition is new production, in non-corrosive, in boxer-primed, reloadable brass cases.