Sig Sauer MCX-SPEAR LT 300BLK Pistol

Sig Sauer

(No reviews yet) Write a Review

  • Secure Online Ordering

Out of stock

Introducing the Sig Sauer MCX-SPEAR LT 300BLK Pistol, a highly adaptable firearm that offers the option to convert into a short-barreled rifle. This versatile pistol is designed for those who demand both performance and flexibility, whether you're in tactical operations, at the range, or for personal defense. The MCX-SPEAR LT stands out with its advanced technology and ergonomic design, ensuring top-tier accuracy and reliability in every shot.

Sig Sauer MCX-SPEAR LT 300BLK Highlights:

  • Caliber: 300 AAC Blackoutdelivering impressive stopping power.
  • Action Type: Semi-Automatic, providing rapid firing capability.
  • Capacity: 30 rounds, ensuring ample ammunition for various scenarios.
  • Weight: 5.6 pounds, allowing for easy maneuverability.
  • Magazine Style: AR-15, enabling compatibility with widely available magazines.
  • Barrel Length: 9.0 inches, offering a balance between portability and accuracy.
  • Twist Rate: 1:5, optimizing bullet stabilization for superior accuracy.
  • Muzzle Device: SIG QD Suppressor-Ready Flash Hider, reducing muzzle flash and noise.
  • Overall Length: 18.8 inches, maintaining compactness for versatility.
  • Frame: Alloy forend and polymer grip, combining strength and comfort.
  • Finish: Coyote receiver, offering a durable and stylish appearance.
  • The Bottom Line: Combining cutting-edge features and design, the MCX-SPEAR LT 300BLK Pistol is the ultimate tool for versatile shooting applications.

This Firearm is Best For:

  • Tactical operators needing a reliable, adaptable firearm.
  • Competitive shooters seeking precision and versatility.
  • Personal defense users requiring a compact, powerful weapon.

Unique Features:

The Sig Sauer MCX-SPEAR LT 300BLK Pistol features a lightweight ergonomic handguard, enhancing maneuverability and control for various shooting conditions. The SIG Flatblade Match Trigger ensures a smooth and responsive trigger pull, contributing to improved accuracy. Additionally, the fully ambidextrous controls cater to both left and right-handed shooters, providing seamless operation for all users.

About Sig Sauer:

Sig Sauer is renowned for its commitment to innovation and excellence in the firearms industry. Founded in 1853, Sig Sauer has consistently pushed the boundaries of firearm technology, producing reliable and high-performing guns for military, law enforcement, and civilian use. The MCX-SPEAR LT is manufactured in Newington, New Hampshire, embodying the company's dedication to quality and precision.

NOTE: This item may be restricted for sale and possession within certain States and subject to additional compliance measures. Please see our Shipping Policy for more details and learn how to buy a gun online.


The MCX Spear LT uses a gas piston operating system. This system reduces fouling within the firearm's action, leading to greater reliability and less frequent maintenance compared to traditional direct impingement systems. This makes the MCX Spear LT suitable for high-round-count shooting sessions without compromising performance.

The MCX Spear LT is equipped with an M-LOK accessory rail, which allows you to mount a variety of sights including red dot optics, magnified scopes, and traditional iron sights. This flexibility ensures that you can tailor your sighting system to your specific needs, whether for tactical operations, target shooting, or hunting.

Yes, the MCX Spear LT features a free-floating lightweight ergonomic handguard. A free-floating handguard does not touch the barrel, which helps to improve accuracy by eliminating potential interference with the barrel's natural harmonics during firing.

The MCX Spear LT is relatively easy to clean due to its gas piston system and modular design. The piston system reduces the amount of carbon buildup in the action, while the modular components can be quickly disassembled for thorough cleaning. Regular maintenance will help maintain the firearm's reliability and longevity.

Yes, the MCX Spear LT is equipped with a Rocksett® SIG QD Suppressor-Ready Flash Hider. This device is designed for easy and secure attachment of a suppressor, which can significantly reduce noise and muzzle flash, making the firearm more versatile and suitable for various tactical or hunting applications.

The forward assist on the MCX Spear LT helps ensure that the bolt is fully closed and locked into battery. This feature is particularly useful in situations where the bolt might not fully chamber a round, allowing the shooter to manually push the bolt forward and ensure the firearm is ready to fire.

Yes, the MCX Spear LT's precision and versatility make it suitable for hunting. Its compact size and lightweight design allow for easy maneuverability in the field, while the 300 AAC Blackout caliber provides adequate power for game such as deer and hogs, particularly with the appropriate ammunition.

No, the SIG Flatblade Match Trigger on the MCX Spear LT is not adjustable. However, it is factory-tuned to provide an excellent trigger pull with a crisp break and short reset, which enhances shooting performance and accuracy out of the box.

Yes, the MCX Spear LT comes with a limited lifetime warranty from Sig Sauer. This warranty covers any defects in materials or workmanship, ensuring that you can have confidence in the durability and quality of your firearm.