The MAR-21 Or Modern Army Rifle-21st Century is an assault rifle manufactured by the Federal Defence Industries for the Federal Armed Forces of Federalandia, Used By the Federal Ground Forces, Federal Police And The Entire Armed Forces. This weapon uses a newly-developed ammunition type of Federal origin, the 5.8x42mm DBP87. The MAR-21 consists of a system of firearms using a common design. This family includes a carbine variant, a standard rifle, and a light support weapon.