PM MAS mission provides all direct fire combat and training ammunition capabilities, except non-lethal, of the highest quality and reliability to Warfighters (Army, Navy, Air Force, Marines and SOCOM) and Government Agencies to support dismounted soldiers, combat vehicles, helicopters, naval vessels, and high performance propeller and jet aircraft as directed by the JPEO Armaments & Ammunition, the Single Manager for Conventional Ammunition (SMCA) Executor. PM MAS routinely transitions and accepts production management of additional direct fire ammunition types from the Special Operations Command (SOCOM), Naval Sea Systems Command (NAVSEA), Naval Air Systems Command (NAVAIR), and the United States Marine Corps (USMC).

In 2009, PM MAS was assigned management responsibility for the Product Director, Non-Standard Ammunition (PD NSA) office, providing reliable Soviet-bloc ammunition to Iraqi and Afghan forces as well as requesting US services and agencies. This office now manages 136 separate items across the full air and land warfare and training spectrum.