One set of twelve (12) US Navy 14in/45 guns for the Revell 1/426 USS Arizona kit. Barrels made by B&D Barrels. Dress up your kit.  Guns were used on battleships Arizona, Pennsylvania, Nevada, Oklahoma, Texas and New York. These barrels are far superior to the droopy, out-of-round plastic ones that come in the kit. Muzzles are drilled to a scale 14 inches. Shipping is free within the United States. Shipping is $2.00 USD outside the US.