The U.S. Army's contract with Olin Corporation includes deliveries of 5.56, 7.62 and .50-caliber ammunition cartridges. Pictured: Expended 5.56mm ammunition from M4 Carbine Proficiency Firing training. U.S. Air Force photo by David Bedard

Jan. 30 (UPI) -- The U.S. Army has awarded Olin Corporation a $90.8 million contract modification to deliver various small-caliber ammunition cartridges.

The modification tasks the company with providing 5.56mm, 7.62mm, and .50-caliber cartridges for the Army. Work on the contract will be performed in Oxford, Miss., and is expected to be complete by the end of July 2018.


Olin Corporation received all funding, comprised of Fiscal 2015, Fiscal 2016, Fiscal 2017 and other funds, at the time of the contract modification award. The Army Contracting Command in Rock Island, Ill., is listed as the contracting activity.

The ammunition included in the contract is used by a variety of weapons including the M16, M4 Carbine, and various other rifles, handguns, and machine guns. The 5.56mm cartridges have been in service with NATO-aligned countries since 1963.