Configurable in more than 500 combinations, the ground-breaking and modular MCX VIRTUS is ready for any mission.

Conceived for the demands of the Special Operations community, the MCX VIRTUS Patrol from SIG SAUER is engineered for adaptability, accuracy and longevity. Cold hammer-forged 16” barrels are user-changeable and available in 5.56 NATO and 300 BLK, offering the utmost in mission-specific flexibility. SIG’s proven internal recoil system offers reduced recoil and a compact platform. To enhance accuracy, the MCX VIRTUS features the new Matchlite™ Duo trigger for crisp, clean feel. Free-floating M-LOK handguards are available in four lengths. Ambidextrous, AR-style controls and a folding and adjustable stock enable the MCX VIRTUS Patrol to be tailored to any shooter. Available in Stealth Gray and FDE and built with the highest-quality components, the MCX VIRTUS is the apex predator of the carbine world.


Mag Type AR-15
Barrel Length 16 in (406 mm)
Height 8 in (203 mm)
Overall Length 35.5 in [901 mm]
Overall Width 2.8 in [71 mm]
Twist Rate 1:6 / 1:7
Weight 7.9 lb (3.6 kg)
Operating System Gas Piston


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