Sig Sauer MCX-SPEAR LT 5.56mm Semi-Auto Rifle

  • Item Number: RMCX-556N-16B-LT-B
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  • Condition: New
Sig Sauer MCX-SPEAR LT 5.56mm Semi-Auto Rifle

Special Promotion Items included with purchase

Buy this firearm from Vance Outdoors and receive this additional item with purchase.

This package contains (1)Sig Sauer Rifle and (1)$150 Vance Gift Card

Offer valid on orders placed between Sep 28, 2026 and Nov 1, 2026. While supplies last. Combo items are void where prohibited by law. No substitutions. Vance Outdoors reserves the right to change or modify this promotion at any time.

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    $2,599.99 $2,849.99
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Product Description

What's in the Box

  • SIG MCX-SPEAR LT 5.56 NATO Semi-Auto Rifle
  • (1) 30-Round Magazine
  • Cable Lock
  • Owner's Manual

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.

Firearm Features

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

Firearm Specifications

  • Manufacturer: Sig Sauer
  • Model: MCX-SPEAR LT
  • Caliber: 5.56 NATO
  • Firearm Type: Rifle
  • Modular: Yes
  • Barrel Length: 16 in [406.4 mm]
  • Barrel Material: Cold Hammer Forged Steel
  • Twist Rate: 1:7
  • Threads: 1/2 in - 28 tpi tapered shoulder
  • Action Type: Semi-Auto
  • Operating System: Short-Stroke-Piston
  • Stock Type: Folding Minimalist Plus
  • Grip Type: AR-Compatible Reduced Angle
  • Trigger Type: SIG 2-Stage Matchlite Duo
  • Trigger Shape: Flat
  • Forend Type: Alloy
  • Accessory Rail: M-LOK/Picatinny
  • Mag Type: AR-15
  • Mags Included: (1) 30rd Polymer Mag
  • Color: Black
  • Receiver Finish: Black Anodized
  • Overall Length: 34.3 in
  • Collapsed Length: 32.5 in
  • Folded Length: 26.5 in
  • Overall Width: 2.8 in
  • Height: 7.8 in
  • Weight: 7.4 lb
  • Forward Assist: Yes
  • Adjustable Gas System: Yes

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