The Department of Defense, through the Naval Surface Warfare Center, Indian Head Division (NSWC IHD), is seeking to procure the MK88 MOD4 Gun Mount and associated hardware on a sole source basis from MSI-Defence Systems US LLC. This acquisition is necessary as MSI-DS is the original designer and sole manufacturer of the MK88 MOD4, which has been tested and installed on various U.S. Navy and Coast Guard platforms, highlighting its critical role in military operations. Interested parties are invited to submit their organizational details and capabilities by November 15, 2024, to Thomas Howes at thomas.d.howes2.civ@us.navy.mil, as no solicitation will be issued for this procurement.