The U.S. Army seeks a contractor to manufacture, test, and deliver 5.56mm M1042 Loose and M1071 Linked Marking Ammunition Cartridges for a non-lethal training system. The contract is a Firm Fixed Price Requirements type with five one-year ordering periods planned from Fiscal Year 2026 through 2031. This is a Sole Source, full-scale production contract intended for award to Ultimate Training Munitions in the United Kingdom, with a possible maximum delivery obligation of 255 million cartridges. Performance of the work is not specified to a particular location. The contract will be awarded based on Other Than Full and Open Competition procedures.