The burning velocity of the Intense Extruded propellant continues to be known toshooters for decades. Over time, Hodgdon has modernized H4350 powder by shortening the grainsfor improved metering and making it insensitive to very hot/cold temperatures. H4350 is excellent incartridges like the 243 Winchester, 6mm Remington, 270 Winchester, 338 Winche… Read More