Hodgdon Benchmark Hodgdon Powder offers the largest selection of quality smokeless propellants for any reloading application. Hodgdon Benchmark, as the name implies, is an Extreme Extruded propellant developed for precision cartridges. As such, it is ideally suited for benchrest and small varmint cartridges like the 6mm PPC, 22 PPC, 6mm BR, 223