Jack Daniel’s Single Barrel Heritage Barrel celebrates the whiskey making traditions of our distillery and the importance of our distinct barrels. With a warm, rich character that runs deep, this Tennessee Whiskey sets itself apart using timeless techniques and historic craftsmanship.Jack Daniel’s Single Barrel Heritage Barrel celebrates the whiskey making traditions of our distillery and the importance of our distinct barrels. With a warm, rich character that runs deep, this Tennessee Whiskey sets itself apart using timeless techniques and historic craftsmanship.