Rest assured this powder will bring the heat. When coming to heavy lifting in hunting cartridges you need suitable magnum loads for dangerous or large game. This powder is efficient, consistent and powerful. Manufactured in the USA Improved velocity and density for more efficient metering and loading Superior performance in the 7mm and .300 Win. Mag. cartridges Enables reloaders to duplicate certain factory loaded ammunition Density designed for proper cartridge fit Mfg: Alliant Powder