Usually called Draught; sometimes called Cold or Extra Cold - same beer, but served colder. Abv ranges from 4.1 to 4.3 % depending on where it was brewed (Guinness exports a hopped and concentrated wort to regional breweries who then brew it on site).
Launched in 1961.
Ingredients: Pale ale malt, about 25 to 30% flaked barley, and about 10% roasted barley, with no other grains or sugars; several hop varieties, mainly Goldings (pellets and isomerized extract); a flocculent head-forming ale yeast. 4.2% ABV