This highly configurable MCX series of Personal Defense Weapons includes machine pistol and short barrel rifle variants, compact for concealment, suppressor ready.

The SIG MCX is a family of firearms designed and manufactured by SIG Sauer, produced in both selective fire and semi-automatic only models, and features a short-stroke gas piston system, …

The SIG Sauer MCX AR pistols are engineered for modularity, reliability, and superior performance in a compact, tactical platform. Chambered in popular calibers like 5.56 NATO …

The SIG Sauer MCX is a modular multi-caliber firearm system. The MCX can be chambered in various calibers including 5.56×45mm NATO, .300 Blackout, and 7.62×39mm, among others.

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Mar 27, 2025 · The SIG MCX is a popular family of firearms manufactured by SIG Sauer, available in the selective fire and semi-automatic models. The MCX features a short-stroke …

Calibers: 5.56 NATO, 7.62x39mm or .300 Blackout. Features: AR-style rifle. Modular system allows switching between calibers with conversion kit.

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Known for its versatility and innovative engineering, the Sig Sauer MCX lineup, including the Sig Sauer MCX Spear, Sig Sauer MCX Rattler, Sig Sauer MCX Spear LT, and Sig Sauer MCX …

SIG SAUER MCX-SPEAR. World renowned and the choice for many of the premier global military, law enforcement and commercial users.