Shooting off this rest will help you discover the true potential of your firearm and ammunition. With its 15-1/2 lb. weight distributed across a 15" footprint, The Rock is a rock-solid rest. The cradle has a secure bag-tensioning system for improved support and stability. Fine elevation adjustments are made possible by a ball-bearing rotational system for silky-smooth operation. The cradle is also windage-adjustable and permits precise adjustments using only your fingertips. Stainless steel construction ensures lasting service. This rest comes with two support bags a 3" lobe bag for use with flat front stocks, and a filled, medium-sized varmint front bag for use with standard sporting rifle stocks.