The Caldwell Rock Jr. Rifle Front Shooting Rest is packed with many of the features of a premium rest, in a smaller, lightweight package. The stable cast iron base features interchangeable feet, non-slip rubber or steel spikes, to allow shooting from almost any surface. Includes a Caldwell Medium Front Bag and works with all universal front bags enabling you to choose a configuration to match your rifle. The “Y” base pattern adds stability. Perfect for sighting-in, test firing and informal competition. Adjusts in height from 4-1/2″ to 7-1/4″.