The most versatile Lead Sled in the Caldwell Lead Sled® Family the Max brings maximum recoil reduction maximum versatility and maximum accuracy. The Lead Sled Max modular design transforms into 3 rests in seconds. A removable weight reservoir holds water sand gravel or other materials for absorbing the recoil from magnum rifles and shotguns. The sliding frame is length adjustable and folds up for compact storage and easy transportation. The front rest features a clamping style head that securely holds the firearm and an enlarged elevation wheel with positive detent adjustment and a backlash-free fine windage and elevation adjustment at the rear. Maximize your shooting with the Lead Sled Max and Eliminate The Variables That Make You Miss