The SIG MCX-SPEAR LT lineup will include pistols (not shown), short-barreled rifles (SBRs) and rifles in 5.56 NATO, 7.62x39 mm and .300 Blackout. Photo courtesy of SIG Sauer.

Based on feedback from Special Operations unites worldwide, SIG Sauer has enhanced its original MCX adaptive rifle to create the MCX VIRTUS in 5.56 NATO and 300 BLK.

The MXC Rifle in the Crosshairs Developed by German-based Sig Sauer, the MCX features a modular design that allows it to operate in various environments. It features a short-stroke gas pistol that ...

The contract with Sig Sauer, managed by U.S. Army Contracting Command (ACC) and released on Feb. 1, detailed SOCOM’s plan to purchase 10 MCX Personal Defense Weapons (PDW) conversion kits that ...

The Sig Sauer MCX Virtus could be said to be Sig Sauer, Inc.’s first truly “clean slate” rifle. Earlier rifles like the 556 were derivatives of Schweizer Industrie Gesellschaft (SIG AG ...

Law enforcement officials subsequently told NPR that the gun was a Sig Sauer MCX, a rifle similar to an AR-15 but also different in fundamental ways. This story reflects the change.

The Sig Sauer MCX was born as rifle caliber replacement for the Heckler & Koch MP5SD submachine gun. Why? Well, because they could. Submachine guns developed prior to the MCX were hamstrung by ...