SIG MCX Spear LT IR 5.56 NATO Pistol, 11.5"

The SIG MCX Spear LT IR: Modern Tactical Performance in a Compact Package

The MCX Spear LT IR represents the evolution of SIG's proven MCX platform, delivering a purpose-built firearm for shooters who demand both capability and versatility in a shorter format.

Design and Ergonomics

This 5.56 NATO pistol features fully ambidextrous controls, making it equally comfortable for left and right-handed shooters. The folding brace with push-button hinge allows rapid transitions between firing and carry positions, while the overall length collapses to just 26.25 inches when folded—ideal for vehicle storage or close-quarters work.

Performance Features

• Cold hammer-forged barrel: 11.5" of precision-rifled steel with 1:7 twist rate, threaded 1/2"-28 for suppressor compatibility
• Gas piston operation: Proven reliability with adjustable gas system for tuning to various ammunition types and suppressor configurations
• SIG flat blade match trigger: Clean, predictable break for accurate shot placement
• M-LOK handguard: Modern accessory mounting for lights, lasers, and other tactical gear
• Gen II Reduced IR Signature: Coyote Tan Cerakote finish with specialized coating to minimize thermal and infrared detection

Specifications

Weighing 6.68 pounds with magazine, this compact platform maintains the legendary MCX reliability while offering genuine portability. The adjustable gas system ensures consistent cycling across suppressed and unsuppressed configurations. One 30-round AR-15 compatible magazine is included.

The Bottom Line

The MCX Spear LT IR is built for professionals and serious shooters who understand that capability shouldn't require compromise. Whether for duty, home defense, or tactical training, this rifle delivers SIG's legendary quality in a form factor that works in the real world.