Conceived for the demands of the Special Operations community, the MCX Virtus Pistol from Sig Sauer is engineered for adaptability, sound suppression and longevity. To enhance accuracy, it features the Sig MatchLite Duo trigger, free-float M-Lok handguards, gas piston operating system, interchangable cold hammer forged barrel and ambidextrous AR-style controls. Uses AR-15 mag types, one 30rd polymer mag included.