United States - Kentucky - 45.6% - Bulleit Bourbon 10 Year Old Whiskey allows you to savor its smooth, mellow character and complex finish. With its russet color and oaky aroma, our aged whiskey makes a good first impression before its even opened. Product Highlights. United States - Kentucky - 45.6% - Bulleit Bourbon 10 Year Old Whiskey allows you to savor its smooth, mellow character and complex finish.