SIG Sauer MCX Spear LT Review: The Future of Tactical Rifles
A semi-automatic rifle that redefined and changed the definition of modern firearms, the SIG Sauer MCX Spear LT. This rifle is designed for both professional marksmen and firearms collection enthusiasts. The rifle offers the ultimate precision and performance, enhancing the overall target acquisition. The rifle comes with a lightweight design, modular construction, and the latest features.
In this blog, we’ll break down everything you need to know about the MCX Spear LT, its specifications, standout features, and why it’s earning rave reviews from professionals and enthusiasts alike.
A New Era for Tactical Firearms: The SIG Sauer MCX Spear LT
The SIG Sauer MCX Spear LT takes the highly successful MCX series to new heights. Built with a focus on performance, reliability, and ease of use, this pistol variant in 5.56 NATO caliber is designed to thrive in tough conditions while remaining easy to handle for both professionals and enthusiasts. Whether you’re engaging in tactical operations or enjoying a day at the range, this rifle is engineered for precision and adaptability.
The “LT” in its name stands for “Lightweight,” a crucial distinction as the MCX Spear LT is lighter than previous models, making it easier to carry and maneuver during extended operations. With a robust set of features that include ambidextrous controls, a flat-blade match trigger, and a fully customizable M-LOK handguard, this rifle offers everything you need to enhance your shooting experience.
Key Features of the SIG Sauer MCX Spear LT
Lightweight and Ergonomic Design
The rifle weighs 6.90 lbs, which makes it ideal for usage in extended shooting sessions, the lightweight build also promotes less fatigue while shooting. The rifle also features a 10″ M-LOK handguard which is ergonomic in nature and delivers significant control during the rapid-fire rounds. Additionally, the rifle’s Flat Dark Earth Cerakote finish enhances its appeal and makes it more durable.
Ambidextrous Controls
The MCX Spear LT is fully accessible by both hands, which means it can better match the hand preferences of shooters. From magazine release to the safety selector, the rifle is built for user-friendliness. The ambidextrous controls promote flexibility by making it easier for shooters to switch between hands during operations or high-pressure situations.
Exceptional Trigger Performance
The SIG Flatblade Match trigger is built to deliver a crisp pull for enhancing accuracy and ensuring a quick reset for rapid follow-up shots. The trigger is fully developed to provide maximum performance and make the firearm ideal for competitive shooting and tactical operation purposes. The match-grade trigger offers a light and consistent pull, enabling more precision during the target acquisition.
Fully Customizable
The MCX Spear LT is fully customizable, you can equip the weapon with the accessories of your choice and preferences, such as optics, lights, lasers, and grips. The modular design of the rifle ensures you can tailor the gun to match the unique needs and operations. This feature of customization makes this rifle a perfect choice for someone who seeks flexibility in his firearm. The Picatinny rail system allows users to mount optics of all types available in the marketplace.
Durable Construction and Materials
The MCX Spear LT is made durable by utilizing an alloy frame and carbon steel barrel, which helps in resisting regular wear & tear and corrosion. The sleek design improves the rifle’s appearance and the cerakote finish adds an extra layer layer of durability. The hard-anodized finish ensures the rifle’s build is safe and secured even after extreme usage.
SIG Sauer MCX Spear LT Specifications
To better understand the engineering excellence behind the SIG Sauer MCX Spear LT, let’s dive into the detailed specifications. These numbers highlight the rifle’s exceptional build quality and technical superiority:
| Category | Details |
| Product Name | PMCX, 5.56 NATO, PISTOL |
| Model | MCX |
| Item Number | B2_SIG_PMCX556N11BLT |
| SKU | PMCX556N11BLT |
| UPC | 798681661831 |
| Price | $2,905.33 |
| Manufacturer | Sig Sauer |
| Action | Semi-Auto |
| Caliber/Gauge | 5.56x45mm NATO |
| Barrel Length | 11.5 inches |
| Barrel Description | Carbon Steel |
| Barrel Finish | Black |
| Muzzle | 3 Prong Flash Hider |
| Finish | Nitride, Anodized |
| Frame Material | Alloy |
| Frame Color | Flat Dark Earth |
| Receiver Finish | Coyote Cerakote |
| Grip Material | Aluminum |
| Grip Type | Sig Sauer |
| Grips | Coyote Polymer |
| Handguards | M-LOK Free-Float |
| Magazine | 1 x 30-Round |
| Weight | 6.90 lbs (96.1 oz) |
| Overall Length (OAL) | 29.5 inches |
| Safety | Ambidextrous Manual |
| Controls | Fully Ambidextrous |
| Trigger | Sig Flatblade Match |
| Sights | Optic Ready (No Sights Included) |
| Thread Pattern | 1/2″-28 tpi |
| Twist Rate | 1:7″ |
| Hand | Ambidextrous |
| Type | AR-Style, Semi-Auto |
| Dimension | 4.25″ x 11.35″ x 46.25″ |
| Weight Range | 6 lbs to 6.99 lbs |
| Similar Items | HGT556 |
Performance and Handling
When it comes to handling and performance, the MCX Spear LT stands tall. The rifle’s lightweight build makes it a dream to carry, especially during long sessions or tactical operations. Whether you’re navigating tight spaces or engaging targets at varying ranges, the MCX Spear LT handles smoothly with minimal recoil.
The ambidextrous design comes complementary with the firearm, making it easier for shooters to adapt the firearm to their hand preferences. The ambidextrous design provides unmatched accessibility to the firearm. Additionally, the adjustable system allows the rifle to operate efficiently in different sets of conditions, even if you use it with or without without suppressor. This flexibility is crucial for professionals who regularly encounter challenging environments and require adaptability.
Why Choose the SIG Sauer MCX Spear LT?
Here’s why the MCX Spear LT should be at the top of your wishlist:
- Precision Engineering: From the match-grade trigger to the carbon steel barrel, everything about this rifle generates precision.
- Enhanced Versatility: The fully modular design of the rifle makes it adaptable for different situations such as personal defense or tactical operations.
- Reliability: SIG Sauer has utilized one of the most durable materials available in the firearms industry in the construction of MCX Spear LT, the robust build provides confidence in the extreme usage of the firearm.
- Ease of Use: The ambidextrous design and the lightweight build of the rifle make it user-friendly and easily accessible by all types of shooters, additionally the ergonomics of the rifle adds an extra reason for adding this rifle to your collection.
Comparison with Other Rifles on the Market
If you compare the SIG Sauer MCX Spear LT to its competitors available in the firearm marketplace, you will find it stands out among all of them because of its modular build and lightweight frame. The competitors like the FN SCAR 16S and Colt LE6920 offer excellent performance but come with significant weight and lack the feel that this rifle provides, the MCX Spear LT’s customizability, ergonomics, and advanced trigger system set it apart from all. The MCX Spear LT offers the perfect balance of power and adaptability.
Final Thoughts
After deeply going through the insights into the SIG Sauer MCX Spear LT it becomes evident that it is a perfect choice for someone who is seeking a high-performance semi-automatic rifle. The SIG Sauer MCX Spear LT redefines the standards of modern firearms, combining lightweight design, superior performance, and cutting-edge technology into one versatile package. From its ambidextrous controls to the match-grade trigger, every feature is crafted to deliver precision, reliability, and adaptability in any situation.
Whether you are seeking a firearm for recreational purposes or tactical shooting, this is the weapon you always needed.
Please Note:
Product pricing and availability may vary. Please verify current pricing and stock information from our website at https://www.bigstonesarmory.com.

