The most lethal big-game ammunition ever devised. With velocities up to 200 fps faster than standard loads"" HyperSonic Rifle Bonded delivers more than just laser-flat trajectories and higher downrange energies. It zips through hide"" meat and bone with unrivaled devastation thanks to today's most advanced bonded bullet design"" Core-Lokt Ultra Bonded. Remington engineers started with a proprietary blend of propellants to achieve the boost in speed"" then went to work to find the perfect lethal match"" testing loads with every possible bullet design on ballistic gel"" simulated bone"" actual big-game carcasses and other mediums they can't reveal. When the smoke and the chunks cleared"" the combination that dominated in terminal performance and accuracy is the best deer cartridge you see here. No other high-velocity load on the market can measure up"" and you'll only get it from the R&D masterminds at Remington.