Here's some info on them and the purchase of Weaver.
ATK Armament SystemsATK Armament Systems is the largest ammunition manufacturing entity in the world, supplying products to the military, hunting, sport shooting, homeland security, and law enforcement markets. The group operates the ATK Lake City Army Ammunition Plant in Independence, Missouri, where it has the capacity to produce 1.5 billion rounds of small-caliber ammunition annually. It also operates the Radford Army Ammunition Plant in Radford, Virginia, where it produces rocket and gun propellants and other energetic materials. The group’s commercial products include some of the most widely known and respected brands in the industry, including Federal, CCI, Speer, and Outers.
They own among others....
Federal Premium and Estate Cartridge ammunition
CCI, Speer, Lawman, and Blazer ammunition
Gunslick, Outers and Shooters Ridge gun care and shooting accessories
RCBS reloading equipment
Champion clay targets
Weaver mounting systems
Alliant Powder and gun powders for sporting re-loaders and ammunition manufacturers
Tim
http://www.atk.com/CorporateOverview/corpover_armamentgroup.asphttp://outdoorwriters.atk.com/news/press_release/press_release.aspx?id=178&brand=15&year=2008