SIG SAUER MCX SPEAR 7.62×51 NATO 13″ Barrel Coyote Semi-Auto Pistol

The SIG SAUER MCX SPEAR in 7.62×51 NATO is a short-barreled, semi-automatic AR pistol engineered for operators and serious shooters who demand full-caliber performance in a compact platform. Built on SIG’s battle-proven MCX architecture, this coyote-finished SPEAR variant chambers the hard-hitting .308/7.62 NATO cartridge through a 13-inch barrel, delivering suppressor-ready capability and exceptional terminal performance at range. Designed for tactical applications, vehicle operations, and advanced range use, the SPEAR is purpose-built to perform where it counts.

Key Specifications

• The MCX SPEAR is chambered in .308 / 7.62×51 NATO for full-power rifle performance.
• The barrel measures 13 inches with a black finish, keeping the overall platform compact without sacrificing velocity.
• A rate of twist of 1:10 inches ensures consistent stabilization across a wide range of .308 projectile weights.
• The muzzle is threaded 5/8″-24 TPI, ready for suppressor or muzzle device attachment.
• The action is semi-automatic, operating reliably under demanding conditions.
• Ships with one 20-round magazine for immediate range or field readiness.
• Safety is ambidextrous, accommodating both left- and right-handed shooters.
• The overall length is 46.15 inches as configured.
• The receiver and furniture are finished in Coyote for a low-visibility, professional aesthetic.
• Sights are not included, allowing full flexibility for your preferred optic or sighting system.

The MCX SPEAR represents SIG SAUER’s commitment to building battle-ready platforms that don’t compromise on reliability, modularity, or raw capability. Whether you’re running a suppressor, mounting a precision optic, or pushing the limits at the range, the SPEAR’s short-barreled 7.62 NATO configuration delivers the kind of performance that justifies its reputation. This is not a range toy — it’s a mission-capable rifle pistol from one of the most respected names in the industry. Note: this item cannot be shipped directly to California, Rhode Island, or Washington.