A useful fine grained medium/slow burning rifle powder for medium sized cartridges such as .308 Winchester and 25-06 Remington. It’s burning rate is close to that of IMR 4064 but its bulk density is higher.
Ballistically, this Extreme Extruded powder is the exact copy of H4831. Physically, it has a shorter grain size, therefore, the designation SC or short cut. The shorter, more compact kernels allow the powder to flow through the powder measures more … Continued