ATK Armament Sales Up 32 Percent First quarter sales in the Alliant Techsystems' (NYSE:ATK) Armament Systems group rose 32 percent to $442 million, compared to $336 million in the prior-year quarter. The division of ATK produces commercial and military ammunition and gun systems, propellants and advanced energetics. ATK's overall first-quarter earnings rose 9 percent when compared to the same period the previous year, with sales for the quarter surpassing $1.1 billion.