The Department of Defense, specifically the U.S. Army Contracting Command - New Jersey, is seeking sources for the procurement of 5.56mm Close Combat Mission Capability Kit (CCMCK) marking cartridges, both unlinked and linked, for use in a temporary weapons conversion system. The CCMCK allows soldiers to utilize their individual weapons (M4/M249/M16) with low-velocity marking ammunition, ensuring safety while providing realistic training scenarios through visible impact feedback. Interested parties must submit their responses by May 5, 2025, including detailed information about their manufacturing capabilities and experience, to the designated contacts, Jennifer Rustwick and Jabrien Urbano, via email. The estimated quantity for procurement is approximately 159 million cartridges, with initial delivery required 180 days post-award at a rate of 700,000 per month.