Old Elk Single Barrel Mission Select Cask Strength Wheated Bourbon 7 Year Old 112.2 Proof 750 MLOld Elk Single Barrel Mission Select Cask Strength Wheated Bourbon 7 Year Old 112. 2 Proof 750 ML is a rare and collectible release chosen for its depth, smoothness, and power. From the first sip, Old Elk Single Barrel Mission Select Cask Strength Wheated Bourbon 7 Year Old 112. 2 Proof 750 ML presents aromas of toasted oak, vanilla, and caramel with subtle cocoa. On the palate, Old Elk Single Barrel Mission Select Cask Strength Wheated Bourbon 7 Year