Alliant Reloder 50 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. Buy Alliant Reloder 50 Smokeless Gun Powder Online. This new powder is intended for 50-caliber long-range rifle shooters. Reloder 50 offers lot-to-lot uniformity and a density designed exclusively for the 50 caliber application, along with greater velocity and the ability to burn cleaner (with less residue).