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 MCX Spear also came with a hefty dose of recoil, which SIG officials explained was on par with a weapon system chambered in 7.62x51mm.

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.

The Rattler, a compact personal defense weapon built at the request of “elite military units,” is based on the Sig Sauer’s popular line of MCX gas-operated piston AR-15-style rifles.

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 ...

Sig Sauer Inc., the New Hampshire-based subsidiary of the German-Swiss gun-maker, this week released a new product called the MCX Rattler short-barreled rifle.

We reached out to Virginia and Maryland gun stores when they expect to sell the Sig Sauer MCX Spear and the XM5 rifles. They tell WUSA9 they expect it in the coming months once it gets in stock at ...

Sig Sauer MCX SPEAR, the civilian version of its new Next Generation Squad Weapon, selected in April 2022 by the Army as its M4/M16 and SAW replacement for close combat forces.

Police say Omar Mateen used a Sig Sauer MCX, a semiautomatic assault style rifle that is similar in appearance and capabilities to the better-known AR-15, when he killed 49 people and injured more ...