Hodgdon Benchmark Smokeless Gun Powder For Sale. Hodgdon Powder supplies the widest variety of high-quality smokeless propellants for every reloading purpose. This Hodgdon Benchmark Extreme Extruded propellant was designed for precision cartridges, as the name suggests. Hodgdon Benchmark Smokeless Gun Powder For Sale. This makes it suitable for benchrest and tiny varmint cartridges such as the 6mm PPC, 22 PPC, 6mm BR, 223 Rem., and 222 Rem. Additionally, it works very well in the 204 Ruger and the 308 Winchester with light match rounds. With its tiny, simple-to-measure grains, rivals will appreciate how smoothly it goes through progressive presses.