The Lapua .308 Winchester 150gr TRX is a premium lead-free hunting cartridge built around a solid-copper, polymer-tipped TRX (TrueRange Expanding) bullet. With a muzzle velocity of 2,766 fps and a G1 BC of 0.384, it delivers a flat trajectory and reliable controlled expansion at hunting distances. Every round is loaded with Lapua brass and Vihtavuori propellants, and sealed with patented Air Lock waterproof technology to guard against moisture. Packaged 20 rounds per box, this is precision factory-loaded ammunition built to the standards that have made Lapua a trusted name among serious hunters and shooters. Lapua 308 Winchester 150gr TRX Solid Ammunition (20/Box) N317108