Like all the other rums in the Mount Gay range, Black Barrel is made from double pot and single column distillates that are aged separately in x-Bourbon barrels. “What makes Mount Gay Black Barrel different is that when rums have matured, Master Blender Allen Smith selects and blends aged single and double distillates with a higher proportion of double distillates than in the Eclipse blend,”comments Suntory Australia brand manager, Jeremy Church.43% ABV