The Rock BR(TM) will help you discover the true potential of your rifle and ammunition. This high quality rest is designed for the most accuracy-minded shooters around, bench rest competitors. Now everyone who wants the best from their rifle can benefit from the advanced design, precision machining, and finely engineered features of the Rock BR. Features Precise fingertip adjustable windage system Great recoil reducing performance Filled medium bag can be swapped witht the included 3-lobe unfilled bag that is included for wide forend rifles. Fast, precise pivoting elevation system Independently adjustable feet for precise elevation adjustment Fast, Precise Pivoting Elevation System, Precise Pivoting Elevation System