The burning pace of the Excessive Extruded propellant has been recognized toshooters for many years. Over 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 Wincheste