Given its low muzzle velocity and long burn time, Extreme Extrude Powder is well suited for heavily overbored Magnums like the Remington Magnum 7mm, STW 7mm, and Weatherby 30-378. And with the 6mm-284, 257 Weatherby, 270 Winchester, and 300 Winchester Magnum cartridges, H1000 provides the best performance and velocity possible for the heavy bullets. This is a very well-liked powder among long-range match shooters. packaged in both 1-pound and 8-pound quantities.
The Remington Magnum 7mm, the STW 7mm, and the Weatherby 30-378 all take cartridges loaded with slow-burning Extreme Extrude Powder, so you won’t have to look any further. When using a heavy bullet in a cartridge like the 6mm-284, 257 Weatherby, 270 Winchester, or 300 Winchester Magnum, H1000 provides the highest possible velocity and performance. This powder has exploded in popularity among long-range match shooters in a very short amount of time.