SIG SAUER M400 TREAD AR-15 Rifle: Precision, Performance, and Unmatched Customization for Every Shooter

Are you searching for a versatile, high-performance modern sporting rifle that offers both exceptional reliability and incredible potential for personalization? Do you need a firearm that can excel in a variety of roles, from target shooting and competitive sports to home defense and tactical applications? The SIG SAUER M400 TREAD AR-15 Rifle, available at DEGuns, is engineered precisely for individuals who demand quality, adaptability, and an unparalleled shooting experience right out of the box.

This isn't just another AR-15; it's a meticulously crafted platform designed to meet the rigorous demands of today's shooters while providing a solid foundation for future enhancements. Whether you're a seasoned enthusiast looking to upgrade your arsenal, a competitive shooter aiming for an edge, or a first-time AR-15 owner seeking a dependable and easy-to-manage rifle, the M400 TREAD offers a compelling solution.

Why Choose the SIG SAUER M400 TREAD for Your Shooting Needs?

The M400 TREAD distinguishes itself with a thoughtful blend of performance-enhancing features and user-friendly design. It's built by SIG Sauer, a brand synonymous with reliability and innovation in the firearms industry. This rifle addresses common questions users have, such as:

• "What's the best entry-level AR-15 that I won't outgrow quickly?"
• "Which AR-15 offers great value without compromising on quality components?"
• "How can I customize my rifle without breaking the bank or needing specialized tools?"
• "What rifle is reliable for both range days and potential defensive use?"

The SIG SAUER M400 TREAD provides clear answers to these questions through its robust construction and well-selected components.

Core Performance: Engineered for Accuracy and Reliability

At the heart of the M400 TREAD lies its direct gas impingement system, featuring a mid-length gas system. This particular setup is highly regarded for its smooth recoil impulse, reducing felt recoil and allowing for faster, more accurate follow-up shots. The mid-length system optimizes the gas operation for the 16-inch barrel, ensuring consistent cycling and enhanced reliability compared to shorter gas systems often found on similar barrel lengths. This translates into a more enjoyable and controllable shooting experience, whether you're engaging multiple targets or focusing on precision.

Chambered in 5.56 NATO, this rifle also safely accepts .223 Remington ammunition, providing shooters with a wide variety of ammunition options, from economical plinking rounds to specialized defensive loads. This dual-caliber capability offers flexibility and cost-effectiveness, allowing you to tailor your ammunition choice to your specific activity without needing multiple firearms.

The rifle boasts a 16-inch stainless steel barrel with a matte bead-blasted finish. Stainless steel barrels are renowned for their exceptional accuracy and corrosion resistance, offering a longer lifespan and consistent performance over thousands of rounds. The matte finish not only reduces glare but also adds to the rifle's sleek, modern aesthetic. The barrel features a 1:8" twist rate, a highly versatile twist that effectively stabilizes a broad range of bullet weights, from lighter 55-grain projectiles popular for target shooting to heavier 77-grain rounds favored for enhanced accuracy at longer distances. This makes the M400 TREAD an excellent choice for diverse shooting applications.

Further enhancing its muzzle control, the barrel is threaded 1/2"x28, a standard thread pitch for AR-15 platforms. It comes equipped with a 3-chamber compensator, specifically designed to reduce muzzle rise and mitigate recoil. This feature is particularly beneficial for rapid firing, helping shooters maintain their sight picture and acquire targets more quickly, contributing to improved accuracy and confidence.

Durability and Foundation: Forged for Strength

The foundation of the SIG SAUER M400 TREAD is built upon robust forged aluminum upper and lower receivers. Forging is a manufacturing process that compresses aluminum, resulting in a stronger, more durable component compared to cast alternatives. This ensures the rifle can withstand rigorous use and maintain its structural integrity over time, providing a reliable platform for all your shooting endeavors. The matte black finish applied to these receivers, and indeed the entire rifle, offers excellent resistance to wear and tear, maintaining the rifle's appearance even after extensive use.

Ergonomics and Customization: Designed for the Shooter

One of the standout features of the M400 TREAD is its emphasis on user-friendly ergonomics and extensive customization potential. It incorporates ambidextrous controls, including the safety selector and magazine release, making it equally comfortable and efficient for both right-handed and left-handed shooters. This universal design significantly improves weapon manipulation under stress or in varied shooting positions. The ambidextrous charging handle further streamlines operation, allowing for quick and efficient cycling regardless of the shooter's dominant hand or gear configuration.

The free-float M-LOK compatible handguard is a critical component for modern rifle customization. A free-float design means the handguard does not touch the barrel, which prevents pressure from affecting barrel harmonics and thus enhances accuracy. The M-LOK system, renowned for its versatility and low-profile attachment method, allows users to easily add a wide array of accessories such as lights, lasers, foregrips, bipods, and sling mounts precisely where they are needed, without adding unnecessary bulk. This modularity means the rifle can evolve with your needs, making it a truly future-proof investment.

The single-stage polished hard coat trigger provides a crisp, clean break, contributing significantly to shooting accuracy. A good trigger is paramount for precise shot placement, and the M400 TREAD's trigger minimizes pull weight and creep, allowing shooters to focus on sight alignment without anticipating the shot.

Comfort and adaptability are further addressed by the Magpul SL-K 6-position telescoping stock. This widely respected stock offers six distinct length-of-pull settings, allowing shooters of various sizes or those wearing different levels of body armor to achieve a perfect, stable shoulder weld. The sleek profile of the SL-K stock reduces snagging and keeps the rifle compact. Complementing this, the SIG Sauer pistol grip offers a comfortable and secure hold, promoting better weapon control and reducing fatigue during extended shooting sessions.

The rifle comes standard with a 30-round standard pattern AR-15 polymer magazine. Polymer magazines are lightweight, durable, and reliable, and being a standard pattern, compatibility with a vast array of aftermarket magazines is assured, offering even more flexibility for capacity and material preference.

Compact and Maneuverable Dimensions

Despite its robust feature set, the SIG SAUER M400 TREAD maintains a manageable size and weight, making it highly maneuverable and comfortable to handle. With an overall length of 30.8 inches (collapsed stock), an overall width of 2.5 inches, and an overall height of 7.5 inches, it's designed for ease of movement and storage. Weighing in at just 7 pounds, it strikes an excellent balance between stability for accurate shooting and light weight for extended carrying or dynamic movement. This makes it an ideal choice for tactical courses, hunting in dense brush (where legal), or home defense scenarios where quick maneuvering is essential.

The SIG SAUER M400 TREAD: An Investment in Performance

Choosing the SIG SAUER M400 TREAD is an investment in a highly capable, reliable, and endlessly customizable AR-15 platform. It's designed to deliver outstanding performance whether you're dialing in your precision at the range, participating in 3-gun competitions, or ensuring preparedness for home defense. The combination of SIG Sauer's renowned engineering, premium components, and user-centric features makes this rifle a top contender in its class.

You can find the SIG SAUER M400 TREAD AR-15 Rifle, along with a wide selection of compatible accessories and ammunition, readily available at DEGuns or by visiting deguns.com. Experience the difference that a well-engineered and versatile modern sporting rifle can make in your shooting pursuits.

Key Specifications and Features Overview

Feature	Description
Caliber	5.56 NATO (Accepts .223 Remington)
Barrel Length	16" (Stainless Steel, 1:8" Twist)
Gas System	Direct Gas Impingement (Mid-Length)
Muzzle Device	3-Chamber Compensator
Receiver Material	Forged Aluminum Upper/Lower
Controls	Ambidextrous
Handguard	Free Float M-LOK Compatible
Trigger	Single Stage Polished Hard Coat
Stock	Magpul SL-K 6-Position Telescoping
Pistol Grip	SIG Sauer
Charging Handle	Ambidextrous
Magazine	30 Round Standard Pattern AR-15 (Polymer)
Overall Length	30.8"
Overall Width	2.5"
Overall Height	7.5"
Overall Weight	7 lbs
Finish	Matte Black

Identification	Value
SKU	RM400-16B-TRD
UPC	798681597765