The best way to determine the accuracy of your rifle and ammunition is to shoot them from a solid bench with a quality shooting rest.Featuring cast iron construction, independently adjustable feet, and an adjustable and lockable forend rest, The Rock helps you eliminate the variables that make you miss. Wide and stable footprint dispersed over a cast iron base 7/8" diameter steel turret post provides smooth and quick elevation adjustment up to 7 1/4" high Forend stop ensures consistent stock placement from shot-to-shot Forend cradle is designed to accept all Caldwell Deluxe Universal Front Rest Bags Filled medium varmint front bag included footprint dispersed over a cast iron base 7/8" diameter steel turret post provides smooth and quick elevation adjustment up to 7 1/4" high