Sig Sauer MCX SPEAR-LT IR Pistol .300 AAC Blackout 9″ FDE

The SIG SAUER MCX SPEAR-LT IR Pistol is a compact, short-barrel platform chambered in .300 AAC Blackout designed for configurable, close-range applications where a compact AR-style pistol is preferred. It ships with a Gen II NiR flat dark earth Cerakote finish and a folding pistol brace for reduced folded length and transportability. The platform uses a gas piston operating system and is built to accept standard AR-style magazines for straightforward logistics.

Key Specifications

• Chambered in .300 AAC Blackout.
• Barrel measures 9 inches.
• Magazine capacity is 30 rounds.
• Finished in Gen II NiR FDE Cerakote (flat dark earth).
• Action type is Semi-Auto.
• Operating system uses a gas piston.
• Rate of twist is 1:5.
• Muzzle threads are 5/8"-24.
• Includes (1) 30‑round magazine.
• Equipped with a folding pistol brace.

The MCX SPEAR-LT IR pairs compact dimensions with modern features—M-LOK accessory compatibility, a flat-blade match trigger, and an optics-ready upper—delivering a versatile AR-style pistol for informed users who value modularity and straightforward functionality. Its Cerakote protection and proven operating system aim to provide durable service in demanding conditions while keeping the platform adaptable to mission-specific configurations.