Barrell Whiskey Private Release BH23 is a limited-edition whiskey from Barrell Craft Spirits. It is a blend of straight bourbon and rye whiskeys, aged for a minimum of 12 years in new American oak barrels. The whiskey is bottled at cask strength, meaning it is not diluted with water before bottling. It is bottled in 750 ml bottles and is available for purchase online and in select stores.