The Presidential Dram Barrel Proof 2020 Release is proudly made in the USA with a Mashbill of 75% Corn, 21% Rye, 4% Malted Barley and aged for a minimum of 4 years in new charred oak barrels. This is a Single Barrel Straight Bourbon Whiskey bottled at 113.28 Proof. A Proof & Wood curated Selection.