Sig Sauer MCX Spear LT 11.5″ 5.56

MSRP: $2,629.99
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The MCX platform has long been SIG SAUER’S breeding ground for developing the best rifle system in the world through extensive testing, continued innovation and customer feedback. Now SIG SAUER Introduces the SIG SAUER MCX-SPEAR-LT Rifle, a revolutionary firearm built upon the legacy of its predecessor, the MCX Virtus. Designed with cutting-edge technology and precision engineering, this rifle sets a new standard for performance, versatility, and user experience.


The MCX-SPEAR-LT features a lightened handguard, offering enhanced maneuverability without sacrificing durability. Its sleek and ergonomic design ensures a comfortable grip and optimal control, allowing for effortless handling in various shooting conditions. Whether you’re on the range or engaged in tactical operations, this rifle is designed to meet the demands of the modern shooter. With improved accuracy, the MCX-SPEAR-LT delivers unparalleled precision and consistency in every shot. Whether engaging targets at long distances or in close-quarters scenarios, this rifle empowers you to confidently hit your mark with exceptional reliability. The advanced barrel technology and enhanced trigger system contribute to its impressive accuracy, making it a trusted companion in any shooting situation.


The MCX-SPEAR-LT is equipped with ambidextrous controls, catering to both left and right-handed shooters. This feature ensures seamless operation and quick accessibility to all critical functions, enhancing versatility and adaptability in the field. The rifle’s user-friendly design allows for intuitive manipulation and efficient transitions, enabling you to maintain the advantage in dynamic environments.


The SIG SAUER MCX-SPEAR-LT Rifle represents the pinnacle of firearm innovation, delivering unrivaled performance, enhanced accuracy, and unmatched versatility. Whether for professional use, competitive shooting, or personal defense, this rifle offers an exceptional shooting experience you can rely on. Experience the evolution of excellence with the MCX-SPEAR-LT.



  • Lightweight Ergonomic Handguard
  • SIG Flatblade Match Trigger
  • Fully Ambidextrous Controls
  • Interchangeable Barrels
  • Rocksett® SIG QD Suppressor-Ready Flash Hider

Product Specifications

  • Manufacturer:Sig Sauer
  • Model:SIG MCX-Spear LT
  • Accessories:Manual, Lock
  • Action:Semi-Auto
  • Barrel Length:11.5″
  • Barrel Material:Carbon Steel
  • Barrel Twist:1:7
  • Caliber:5.56
  • Capacity:30
  • Color:Coyote Tan
  • Grip:Polymer
  • Mounting System:M-LOK
  • Operating System:Gas Piston
  • Overall Length:21.1″
  • Thread Pitch:1/2×28
  • Trigger Type:Flat Blade Match
  • Weight:6.1 lb
  • MPN:PMCX-556N-11B-LT
  • UPC:798681661831

Additional information

Weight 98 oz
Dimensions 25 × 6 × 4 in


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