Beautiful red oak rack is perfect for displaying those 12 pieces. Bore for barrel rest is 1 5/8" which should be considered for double barrels. Each rack is made in the U.S.A. by skilled craftsmen. Unit shown has a walnut stain with a clear lacquer finish. Each rack is assembled prior to shipping and is shipped intact. To begin using you need only loosen 2 wing nuts, remove 2 carriage bolts, and swing top rest to upright and re-install carriage bolts and wing nuts, which makes this unit ideal for taking to the camp or for displaying at shows. All racks are individually cut and assembled in our shop with pieces of similar color and grain. Any component deemed to be defective will be replaced upon our receipt of damaged piece. Overall dimensions are as follows; 36" high, 24" wide outside, and 24" front to back. For a retail setting, some opt to set these side by side to form aisles.