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 16â€ barrels are user-changeable and available in 5.56 NATO and 300 BLK, offering the utmost in mission-specific flexibility. SIGâ€™s proven internal recoil system offers reduced recoil and a compact platform. To enhance accuracy, the MCX VIRTUS features the new Matchliteâ„¢ 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.