The M21 was designed around the M14 assault rifle that the US Army used in the early years of Vietnam. It was used as a long range sniper system that had great accuracy and would later be used by special forces as the M25.

Classification: Sniper Rifle Caliber: 7.62x51 mm Action: Rotating Bolt Length: 1118mm Barrel Length: 559 mm Weight: 5.27kg Empty, 5.67kg Loaded Magazine: 20 round box Effective range: ~ 700 meters Cyclic rate of fire: ~50 rounds per minute Fire Mode: Semi-Auto