The MCX Virtus is the current commercial and LE version of the MCX, featuring a short-stroke piston system, folding stock, and M-LOK handguard. Adopted by various law enforcement agencies and exported to military users. The basis of the NGSW XM5. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2017, USA Weight: 6.8 oz Overall length: 36" Status: Active Intended use: Law Enforcement, Special Operations