The Caldwell The Rock JR shooting rest features a stable 4 lb cast iron base, with an overall weight of approximately 5 lbs for enhanced durability and support. It is equipped with a ¾-inch diameter steel post that allows for secure and smooth elevation adjustments up to 7¼ inches in height. The rest includes interchangeable non-slip rubber feet or metal spike feet for versatility on different surfaces, and comes complete with a filled medium varmint front bag for immediate use and reliable firearm support.