SIG SAUER MCX Rattler LT Pistol 300 Blackout 6.75" Barrel Black

Compact Power with the MCX Rattler LT

The SIG SAUER MCX Rattler LT is a next-generation compact AR-style pistol designed for maximum performance in a highly maneuverable platform. Chambered in .300 Blackout, this system delivers exceptional versatility for both suppressed and unsuppressed shooting, making it a top choice for tactical applications and close-quarters environments.

Advanced Short-Barrel Performance

Featuring a 6.75-inch cold hammer-forged barrel, the Rattler LT is optimized for the ballistic performance of .300 Blackout in a compact configuration. The included QD suppressor-ready flash hider and adjustable gas system allow for seamless transition between suppressed and unsuppressed shooting.

Fully Ambidextrous & Modular Design

Built with fully ambidextrous controls, including bolt catch and release, the MCX Rattler LT ensures intuitive handling for any shooter. The platform is now fully compatible with MCX barrels and handguards, offering unmatched modularity and customization potential.

Enhanced Control & Reliability

The SIG flat blade match trigger provides a crisp, consistent break for improved accuracy and control. Combined with a rugged short-stroke gas piston system, the Rattler LT delivers reliable performance under demanding conditions while reducing recoil and fouling.

Why Choose the MCX Rattler LT?

• Ultra-Compact Platform: Ideal for close-quarters and confined environments
• .300 Blackout Performance: Optimized for suppressed and short-barrel use
• Adjustable Gas System: Reliable function with or without a suppressor
• Fully Ambidextrous Controls: Enhanced usability for all shooters
• Flat Blade Match Trigger: Improved accuracy and trigger feel
• MCX Modular Platform: Compatible with barrels and handguards

Product Specifications