The burning velocity of the Extreme Extruded propellant has become identified toshooters for many years. After some time, Hodgdon has modernized H4350 powder by shortening the grainsfor improved metering and which makes it insensitive to hot/cold temperatures. H4350 is great incartridges like the 243 Winchester, 6mm Remington, 270 Winchester, 338 W… Read More