Alliant American Select Smokeless Gun Powder For Sale. Each bottle of Alliant Smokeless Powder is backed by a century of manufacturing expertise and the industry’s most stringent quality control systems. In a ballistics laboratory, the chemical composition, grain shape and size, and overall density are regularly monitored and tested to assure uniformity. American Select is a premium, ultra-clean powder developed for 12 gauge target loads, but also excellent for cowboy action pistol powders. This powder produces superior patterns and far less perceived recoil than conventional powders.