Sierra Tequila Milenario Reposado is a 100% blue weber agave tequila produced at the family-owned DestilerĂas Sierra Unidas in Guadalajara, Jalisco, Mexico. The agaves are sourced from highland fields at roughly 2,000 meters elevation, single-pressed, then double distilled in copper pot stills and aged for nine months in American white oak barrels. It is bottled at 41.5% ABV and retails for around $47.