Daniel Defense Government product line is available for U.S. DoD and other U.S. Government agencies, as well for International Customers under the Foreign Military Sales (FMS) Program. The Daniel Defense Government line of rifles, rails, parts and accessories constitutes an innovative upgrade for the M4A1 / M16A4 family. The Daniel Defense Rail Interface System II (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II weapons system. After years of rigorous testing by Special Forces Operators, Daniel Defense was selected as the Sole Source Provider of the RIS II. Daniel Defense has and is still delivering thousands of units and they are continuing to be fielded by SOCOM. In addition to that, the UK Ministry of Defense selected Daniel Defense as the sole provider for rail systems for it SA80/L85A2 improvement program.
For Foreign Military Sales (FMS) orders, the Daniel Defense Government line could be ordered either through "USASAC/TACOM LCMC - Warren" or "NIPO/NSWC - Crane" channels.