ATK [ATK] yesterday said it has received an order valued at more than $50 million from the Army to produce multiple variants of 20mm PGU ammunition.

This is the second order under a contract originally signed in September 2008. If all options are exercised, ATK’s contract is expected to exceed $170 million by 2013.

ATK will produce PGU-27A/B Target Practice (TP), PGU-30A/B Target Practice-Tracer (TP-T), PGU-28A/B Semi-Armor Piercing High Explosive Incendiary (SAPHEI) ammunition, a PGU- 28A/B SAPHEI and PGU-30A/B TP-T linked configuration, and a PGU-27A/B TP and PGU-30A/B TP-T linked configuration.

These cartridges are used on the Air Force’s F-15 and F-16, the Navy and Marine F-18, and the Marines Cobra AH-1 helicopter.

ATK’s Integrated Weapon Systems Division in Mesa, Ariz. was awarded the contract by Army Contracting Command, Rock Island Contracting Center (RICC), Rock Island, Ill., and will produce the ammunition in Independence, Mo.