The burning velocity of this Severe Extruded propellant has actually been regarded toshooters for decades. As time passes, Hodgdon has modernized H4350 powder by shortening the grainsfor enhanced metering and rendering it insensitive to very hot/chilly temperatures. H4350 is excellent incartridges such as the 243 Winchester, 6mm Remington, 270 Winc… Read More