Maxim Defense MD15 L 5.56 AR-15 Semi-Automatic Rifle: Engineered for Precision, Reliability, and Patrol Readiness

For those seeking an AR-15 platform that marries robust construction with high-performance features, the Maxim Defense MD15 L in 5.56x45mm NATO stands out as a premier choice. This semi-automatic rifle, identified by its UPC 680017497354, is meticulously engineered to meet the stringent demands of modern law enforcement patrol officers while offering exceptional versatility for civilian enthusiasts, home defense practitioners, and sport shooters alike.

What makes an AR-15 rifle truly reliable and effective in diverse scenarios? It starts with the foundation. The Maxim Defense MD15 L is built upon a standard AR-15 architecture, but with Maxim Defense's signature ingenuity infused into every component. This rifle isn't just assembled; it's designed to deliver consistent, dependable performance when it matters most, whether on duty, at the range, or safeguarding your home.

Unpacking the Core: Reliability and Durability

At the heart of the MD15 L's exceptional reliability are its military-grade materials and MIL-SPEC+ components and coatings. This commitment to superior materials ensures the rifle can withstand rigorous use and harsh environmental conditions, making it a trusted tool for demanding applications.

• Receiver Material: Both the upper and lower receivers are crafted from high-quality aluminum, providing a lightweight yet incredibly durable foundation. The receiver features a Flat Dark Earth Anodized finish, which not only adds to its aesthetic appeal but also offers enhanced corrosion resistance and wear protection.
• Barrel Construction: The 16-inch fully floated barrel is a critical component for accuracy and longevity. Made from 4150 Chrome Moly Vanadium Steel, known for its strength and heat resistance, the barrel is further enhanced with a Black Nitride finish. This finish provides superior hardness, lubricity, and corrosion resistance compared to traditional phosphate coatings, ensuring the barrel maintains its integrity and accuracy over thousands of rounds.
• Optimized for M855 Ball Ammunition: While capable of handling various 5.56x45mm NATO and .223 Remington loads, the MD15 L is specifically optimized for M855 ball ammunition. This optimization ensures consistent cycling and performance with one of the most widely available and utilized military-grade ammunition types.
• Standard Carbine Buffer System: The rifle employs a standard carbine buffer system, contributing to its smooth operation and recoil mitigation. This system is a proven design that balances reliability with comfortable shooting dynamics.

Precision and Control: Enhancing Your Shooting Experience

Accuracy and user control are paramount in any rifle, especially one designed for patrol duty or competitive shooting. The Maxim Defense MD15 L integrates several premium features to elevate your shooting precision and handling.

• Fully Floated Barrel: A key contributor to the MD15 L's accuracy is its fully floated barrel. This design ensures that the barrel does not make contact with the handguard, isolating it from external pressure points that could otherwise affect barrel harmonics and point of impact. The result is improved consistency and tighter shot groups.
• Twist Rate: With a 1:7-inch twist rate, the 16-inch barrel is ideally suited for stabilizing a wide range of 5.56mm bullet weights, particularly the heavier projectiles (62-77 grain) commonly found in M855 and match-grade ammunition. This versatility in bullet choice allows shooters to tailor ammunition selection for specific purposes, from general plinking to precision long-range engagements.
• Blackout Defense Flat 3.0 lb Trigger: A crisp, light trigger pull is essential for precise shot placement. The MD15 L features a Blackout Defense flat trigger with a remarkably light 3-pound pull weight. This flat-faced trigger provides a consistent feel and improved leverage, allowing for more precise finger placement and a cleaner break, significantly enhancing the shooter's ability to achieve accuracy.
• A2 Flash Hider: The barrel is capped with a standard A2 flash hider, threaded at 1/2"-28. This classic muzzle device is highly effective at reducing muzzle flash, which is critical for preserving night vision and preventing position disclosure in low-light conditions. It also offers a degree of recoil compensation, making follow-up shots faster and more accurate.

Ergonomics, Versatility, and Customization

The MD15 L is designed with the shooter's comfort and adaptability in mind, featuring components that promote intuitive handling and extensive customization.

• Free-Floating Slimline Handguard: For increased comfort and versatility, every MD15 L features a free-floating Slimline handguard. This handguard provides a monolithic-like upper receiver platform, creating a seamless and rigid structure for mounting optics and accessories. It is both M-Rax and M-Slot compatible, offering ample real estate for lights, lasers, foregrips, and other mission-critical equipment. The M-LOK system, known for its lightweight and secure attachment method, ensures easy installation and removal of accessories.
• Magpul SL-K Stock: The rifle comes equipped with a Magpul SL-K stock, known for its compact and lightweight design. This stock offers multiple points of adjustment for length of pull, allowing users to achieve optimal comfort and fit, whether wearing body armor or standard attire. Its slim profile minimizes snags and enhances maneuverability.
• Magpul Grip: The Black Magpul grip provides an ergonomic and secure hold, promoting better weapon control and reducing shooter fatigue during extended use. Magpul grips are renowned for their comfortable texture and angle, which facilitate natural pointing and consistent hand placement.
• Magpul MBUS Front & Rear Sights: Ready out of the box, the MD15 L includes Magpul MBUS (Magpul Back-Up Sight) front and rear sights. These durable, polymer-constructed sights provide a reliable secondary sighting system, ideal for co-witnessing with optics or serving as primary sights if optics are not used. They are easily deployed and folded, maintaining a low profile when not in use.
• Radian Charging Handle: The inclusion of a Radian charging handle is a significant upgrade, offering ambidextrous operation and enhanced ergonomics. This allows for smooth, rapid manipulation of the bolt carrier group from either side of the rifle, an invaluable feature in dynamic shooting situations or for left-handed shooters.
• STANAG Pattern Magazine Compatibility: The MD15 L receives all STANAG pattern magazines, ensuring broad compatibility with a vast array of readily available magazines, including the included Lancer 30-round magazine. This universal compatibility is crucial for logistical simplicity and operational flexibility.

Who is the Maxim Defense MD15 L For?

The design philosophy behind the Maxim Defense MD15 L makes it an ideal choice for several distinct user groups:

• Law Enforcement Patrol Officers: This rifle was specifically engineered to meet the growing demand for reliable, accurate, and affordable AR-15 style rifles for todays Law Enforcement Patrol Officers. Its robust construction, dependable performance, and compatibility with standard accessories and ammunition make it an excellent choice for patrol vehicle deployment, active shooter response, and general duty use. The rifle's durability and ease of maintenance are critical for officers who rely on their equipment daily.
• Home Defense Enthusiasts: For those seeking a dependable and effective firearm for home protection, the MD15 L offers a powerful solution. Its semi-automatic action, 30+1 capacity, and compact overall length (OAL of 33 inches) make it maneuverable in confined spaces. The A2 flash hider helps mitigate flash indoors, while the ergonomic design ensures comfortable handling under stress.
• Sport Shooters and Range Enthusiasts: The combination of a fully floated barrel, precise 3 lb trigger, and excellent ergonomics makes the MD15 L a joy to shoot at the range. Its accuracy potential allows for challenging precision drills, while its robust build ensures it can withstand high-volume shooting sessions. The ability to easily customize the handguard with M-LOK accessories also appeals to those who enjoy personalizing their firearms for specific shooting disciplines.
• General Purpose AR-15 Owners: For anyone looking for a high-quality, versatile AR-15 that can serve multiple roles, the MD15 L is an outstanding option. Its MIL-SPEC+ components and easy serviceability mean it's a rifle built to last and can be maintained with standard tools, making it accessible even for those new to the AR platform.

Maintenance and Serviceability

One of the often-overlooked aspects of a reliable firearm is its ease of maintenance. The Maxim Defense MD15 L is designed to be fully and easily serviceable, disassembling with standard tools. This feature is invaluable for ensuring the rifle remains in top operational condition, facilitating routine cleaning, inspection, and the replacement of parts if needed. This user-friendly design minimizes downtime and ensures the rifle is always ready for action.

Why Choose the Maxim Defense MD15 L?

The Maxim Defense MD15 L represents an exceptional value proposition in the AR-15 market. It brings Maxim Defense's reputation for innovative engineering and military-grade quality to a standard AR-15 package, making high performance accessible. The thoughtful integration of premium components from trusted brands like Magpul, Radian, and Blackout Defense underscores its quality and reliability. Whether you're a law enforcement professional requiring a dependable duty weapon, a civilian prioritizing home defense, or a shooting enthusiast seeking an accurate and versatile rifle, the MD15 L delivers.

Experience the blend of Maxim Defense ingenuity and robust performance. This particular model, identified by MPN MXM49735 and UPC 680017497354, is available at DEGuns, your trusted source for high-quality firearms. Invest in a rifle that truly meets the demands of today's dynamic shooting environments.

Maxim Defense MD15 L Specifications

Feature	Detail
Brand	Maxim Defense
Model	MD15
Series	L
Caliber	5.56x45mm NATO
Action	Semi-Automatic
Gun Platform	AR-Style
Operating System	Direct Impingement
Capacity	30+1 (Lancer 30-round magazine)
Barrel Length	16 inches
Barrel Material	4150 Chrome Moly Vanadium Steel
Barrel Finish	Black Nitride
Barrel Description	Fluted, Fully Floated
Twist Rate	1:7"
Muzzle Device	A2 Flash Hider
Thread Pattern	1/2"-28
Handguards	M-LOK (M-Rax & M-Slot Compatible)
Trigger	Blackout Defense Flat
Trigger Pull Weight	3 lbs
Sights	Magpul MBUS Front & Rear
Grips	Black Magpul
Stock	Magpul SL-K
Stock Material	Synthetic
Stock Finish	Black
Receiver Material	Aluminum
Receiver Finish	Flat Dark Earth Anodized
Charging Handle	Radian
Safety	Manual Thumb
Hand	Right Hand
Weight	6.38 lbs
Overall Length (OAL)	33 inches
SKU	159406
MPN	MXM49735
UPC	680017497354