Can you buy Guinness in a keg?

Yes, Guinness can be purchased in a keg, also called a barrel, typically containing either 30 or 50 imperial gallons. Kegs of Guinness stout can be found for sale in various countries around the world where Guinness is distributed and locally brewed. In some regions, Guinness may also be available in smaller kegs, referred to as "party kegs" or "mini kegs," which are often sold at liquor stores or specialty beverage shops.