The SIG Sauer MCX Rattler LT is a compact, high-performance .300 Blackout platform designed for shooters who require maximum capability in an ultra-short configuration. Built around a cold hammer forged 6.75-inch barrel, the Rattler LT delivers excellent durability and consistent accuracy while maintaining an exceptionally compact footprint.

Its monolithic upper receiver and fully ambidextrous controls ensure intuitive handling for both left- and right-handed shooters. Finished in black anodized coating, the MCX Rattler LT offers enhanced resistance to wear and corrosion, making it well-suited for hard use and extended training sessions.

Designed for adaptability, the Rattler LT is compatible with all LT handguards and features an optic-ready configuration, allowing shooters to easily customize their setup. The SIG Flatblade Match Trigger provides a clean, predictable break, improving control during rapid strings or precision shooting. Compact, modern, and purpose-built, the MCX Rattler LT exemplifies SIG Sauer’s commitment to innovation and advanced firearm design.

Key Features

• Caliber: .300 Blackout

• Barrel Length: 6.75" Cold Hammer Forged

• Trigger: SIG Flatblade Match Trigger

• Controls: Fully Ambidextrous

• Brace: Folding Pivoting Contour Brace

• Optic Ready: Yes