The ModWall Vertical Rifle Rack is an optional accessory to our ModWall Panels. They are sold in sets of 2 pieces (top and bottom), and each piece is 22″ X 4.5″ X .75″. The bottom serves as a shelf on which your rifles and shotguns rest. The barrels go through the top. This set is optimal for holding up to 4 long guns. The ModWall Vertical Rifle Rack is made with HDPE plastics.