Smokeye Hill Barrel Proof Straight Rye WhiskeyAge: 5+ years Proof: 132 proof; varies by batch About the product: Smokeye Hill Barrel Proof Rye Whiskey is crafted from a proprietary four grain mash bill of rye, heirloom blue corn, yellow corn, and malted barley. Distilled in Lawrenceburg, Indiana, then barreled and matured in Colorado Springs at 6,100 ft in 30 gallon American white oak casks charred to Nos. 2, 3, and 4 for added depth, complexity, and character.