The burning speed of this Excessive Extruded propellant has long been recognised toshooters for decades. With time, Hodgdon has modernized H4350 powder by shortening the grainsfor enhanced metering and making it insensitive to hot/cold temperatures. H4350 is excellent incartridges such as the 243 Winchester, 6mm Remington, 270 Winchester, 338 Winch… Read More