The modern operator needs a rifle that blends compact maneuverability with repeatable accuracy and proven engineering. The SIG SAUER MCX SPEAR-LT answers that requirement by taking the MCX lineage and refining it for short-barrel, high-performance applications while retaining user-focused ergonomics and modularity.

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Platform pedigree and intended role

Built on the MCX foundation, the SIG SAUER MCX SPEAR-LT continues SIG SAUER’s iterative development from the MCX Virtus. The design emphasizes a compact 9″ barrel chambered in .300 Blackout and a 30-round magazine capacity—specifications that make this rifle ideal for close-quarters performance, suppressed operation, and missions where a short, controllable firearm is required.

Key features and what they mean for users

Short 9″ barrel and .300 Blackout advantages

The 9-inch barrel balances barrel length with ballistic efficiency. In .300 Blackout, that combination performs well with both supersonic and subsonic loads, allowing effective terminal energy at short to intermediate ranges while maintaining reliability from a short-stroke gas system. Operators will appreciate the cartridge’s adaptability for suppressed setups and the manageable recoil impulse from a lightweight, compact rifle.

MCX engineering and modularity

As a member of the MCX family, the SPEAR-LT benefits from SIG SAUER’s emphasis on testing and innovation inherited from the Virtus line. The platform’s modular nature supports mission-specific configurations and user customization without sacrificing the core reliability expected from SIG SAUER designs.

At a retail price of $2499.99, the SIG SAUER MCX SPEAR-LT positions itself as a premium, purpose-built semi-auto rifle for professionals and serious enthusiasts. View product details and pricing

Who should consider the SPEAR-LT

This rifle is tailored to users who need a compact, high-performing semi-auto in .300 Blackout: tactical teams, professional shooters focused on CQB environments, and civilians who prioritize short-barrel versatility within legal frameworks. The SPEAR-LT’s combination of a 9″ barrel and 30-round capacity makes it a strong candidate where space, controllability, and modularity are primary concerns.

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