The Smokeless Powder Guide by Hercules Incorporated is an essential manual for reloaders and firearms enthusiasts. This guide provides detailed information on various smokeless powders, including Hercules Red Dot, Unique, Bullseye, Blue Dot, Green Dot, Herco, and Hercules 2400. It outlines the chemical composition, burning rates, and recommended usage for different types of ammunition such as pistol, revolver, rifle, and shotgun cartridges.

Revised on January 1, 1975, this guide includes comprehensive ballistics data, safe loading practices, and powder charge equivalents. It is designed to offer handloaders a reliable standard for quality and performance, with thorough testing conducted at Hercules ballistics laboratories. The pamphlet also contains safety warnings and loading tables for specific gauges and shell types, making it a valuable reference for both beginners and experienced reloaders.