I beg to differ...I got an e-mail from Ben Amonette on Sept 1 that answered my question:
"I keep hearing that you will be offering two more powders made by Nitrochemie. I have used RL-17 and am very impressed with the results.
Can you tell me what you will call the magnum class rifle powder and when might we be able to buy it?"
Here is his answer:
RE: Inquiry from alliantpowder.com
From: Amonette, Ben (Ben.Amonette@ATK.COM)
Sent: Tue 9/01/09 6:20 AM
To: Ross (firstname.lastname@example.org)
We have 5 new powders coming out. They will be our “Power Pro” series. We will introduce 2 initially, one called 300 MP for magnum pistol, and the other 4000 MR for magnum rifle. We hope to have these first entries out in the next couple of months. The other will likely be more toward the end of the year or perhaps early next year. Data for these powders will be available closer to release time. Thanks for your note and have a nice day.
Consumer Service Manager
Alliant Powder Company
There was a short article on 6mmBR.com's website under daily bulletin talking about a new arrangement with Nitrochemie (properly called Rheinmetall Nitrochemie) and Alliant (ATK) announce strategic partnership. In a nutshell RN will share their technology and RN and ATK will produce powders together in US facilities.
AccurateShooter.com Daily Bulletin
Scroll down about 6 article to read the details.
I will e-mail Mr. Amonette again to absolutely sure and report back here.