The Power Pro series isn't truly new, but Alliant has been tweaking it, and it hasn't been widely available until now.
It's a spherical powder designed for improved velocity along with better density for more efficient metering.
It's designed for specific applications: varmint, magnum rifle, heavy .308 and large rifle. Reloder 50 also isn't truly new but is only now becoming readily available. It's designed specifically for long-range .50 caliber shooters and promises better velocity while burning cleaner--producing less residue. www.AlliantPowder.com