The 1,700-fps HyperSonic Steel from Remington Introducing the world's fastest, hardest-hitting steel. With unprecedented velocity and the highest downrange pattern energies ever achieved, Remington HyperSonic Steel takes lethality to new heights and lengths. To a level of terminal performance where more birds drop with fewer shots, at the farthest reaches of your abilities. Shortens lead by up to 11% - an 8" lead difference at 40 yards. Puts more pellets in the head and neck for quicker kills and fewer misses. Patented Xelerator Wad. 2 Stage System. New HOTTER primer ignites small powder charge in chamber, moving entire payload forward slightly to control pressure.