The CMMG Resolute 300 MK4 in 6mm ARC: Elevating Precision and Versatility for Discerning Shooters

For those who demand uncompromising performance, precision, and adaptability from their AR-platform rifle, the CMMG Resolute 300 MK4 chambered in the innovative 6mm ARC (Advanced Rifle Cartridge) stands as a premier choice. This exceptional firearm, identified by its model number 60A10D7-OD, is meticulously engineered to provide superior accuracy and handling, whether your passion lies in competitive shooting, precision hunting, or tactical applications. It's a rifle designed to solve the challenge of needing a high-performance, long-range capable firearm in a compact, maneuverable AR-15 package.

Why Choose the CMMG Resolute 300 MK4? Answering the Call for Modern Performance

Many shooters often ask, "What's the best AR-platform rifle for precision and versatility?" or "Can an AR-15 be truly effective for medium to long-range engagements?" The CMMG Resolute 300 MK4 6mm ARC directly addresses these questions. This rifle represents the pinnacle of CMMG's commitment to innovation and quality, blending state-of-the-art components with a caliber known for its remarkable ballistic efficiency. It’s an ideal solution for those seeking to extend their effective range without sacrificing the familiar ergonomics and modularity of the AR-15 system.

Who is this rifle for?

• Precision Shooters: Individuals focused on achieving tight groups at extended distances, whether at the range or in informal competitions. The 6mm ARC's flat trajectory and excellent wind resistance make it a favorite.
• Hunters: Ethically taking down medium-sized game like deer, antelope, or hogs, and excelling at varmint control, thanks to the 6mm ARC's terminal ballistics and the rifle's inherent accuracy.
• Tactical Enthusiasts: Those who appreciate a robust, reliable, and highly adaptable firearm for training, defense, or general sporting use, benefiting from the AR platform's vast accessory compatibility.
• AR-15 Aficionados: Individuals looking to expand their collection with a rifle chambered in a modern, high-performance cartridge that pushes the boundaries of the AR-15's capabilities.

Unpacking the Core Features of the CMMG Resolute 300 MK4 6mm ARC

The CMMG Resolute 300 MK4 (60A10D7-OD) is more than just a sum of its parts; it's a carefully balanced system designed for optimal performance. Each component is selected and integrated to enhance the rifle's overall capabilities, providing a seamless and satisfying shooting experience.

The Power of 6mm ARC

At the heart of this rifle's exceptional performance is the 6mm Advanced Rifle Cartridge (ARC). Developed by Hornady, the 6mm ARC was specifically designed to deliver excellent long-range performance from an AR-15 platform.

• Superior Ballistics: It offers a flatter trajectory and significantly reduced wind drift compared to traditional AR-15 cartridges like the 5.56x45mm NATO. This translates directly into higher hit probability at distance.
• Energy and Effectiveness: Despite being housed in an AR-15 sized package, the 6mm ARC delivers impressive energy on target, making it a highly effective cartridge for a variety of applications, including hunting.
• Versatility: Capable of handling a wide range of bullet weights, the 6mm ARC allows shooters to tailor their ammunition choice to their specific needs, from lightweight varmint rounds to heavier, high-BC (Ballistic Coefficient) projectiles for long-range precision.

The Resolute 300 MK4 Platform: A Foundation of Reliability

The "MK4" designation signifies that this rifle is built on the robust and widely compatible AR-15 platform. CMMG's Resolute series is renowned for its durability, precise manufacturing, and readiness for various demanding tasks.

• Forged 7075-T6 Aluminum Receivers: Both the upper and lower receivers are crafted from high-strength forged 7075-T6 aluminum. This material is widely regarded for its exceptional strength-to-weight ratio, ensuring the rifle can withstand rigorous use while remaining manageable in weight. The forging process enhances the material's grain structure, leading to a stronger, more reliable foundation.
• Optimized Gas System: Featuring a mid-length gas system, the Resolute 300 MK4 ensures reliable cycling and reduced recoil impulse. The mid-length system provides a more extended dwell time than carbine-length systems, leading to smoother operation, less wear on internal components, and improved accuracy. The low-profile gas block is pinned for ultimate reliability.

The 16.10" Barrel: Balance of Precision and Maneuverability

The barrel length is a critical factor in a rifle's performance, and the 16.10-inch barrel on this CMMG Resolute offers a meticulously chosen balance.

• Optimized Velocity: While longer barrels can eke out slightly more velocity, the 16.10-inch length provides excellent muzzle velocity for the 6mm ARC, ensuring its ballistic advantages are fully realized without making the rifle excessively long or unwieldy.
• Maneuverability: This barrel length is superb for maintaining agility in tighter spaces, whether navigating dense brush during a hunt or moving through tactical courses. It strikes a sweet spot between ballistic performance and practical handling.
• Precision Rifling: The barrel features precise rifling (often with a 1:7.5" twist rate, ideal for stabilizing a wide range of 6mm ARC bullet weights), contributing significantly to the rifle's inherent accuracy. The CMMG SV Brake muzzle device further manages recoil and muzzle rise, enhancing follow-up shot capability.

OD Green Cerakote Receiver: Durability Meets Aesthetics

The striking OD Green Cerakote finish on the receiver is far more than just a cosmetic choice.

• Exceptional Durability: Cerakote is a ceramic-based finish known for its superior resistance to abrasion, corrosion, and chemical damage. This ensures that the rifle's appearance and structural integrity are preserved even in harsh environments or with heavy use.
• Enhanced Protection: Unlike traditional bluing or phosphate finishes, Cerakote forms a very hard, thin layer that protects the underlying metal from rust and wear, extending the life of the firearm.
• Tactical Aesthetic: The OD Green hue provides a classic, understated tactical look, blending well with various outdoor environments and gear setups.

CMMG 6 Position RipStock Stock: Rapid Adjustability and Control

The CMMG 6 Position RipStock is an innovative feature that enhances the rifle's ergonomics and adaptability.

• Rapid Deployment: This unique stock design allows for quick and intuitive length-of-pull adjustments with an audible click into each of its six positions. This means you can swiftly adapt the rifle to different shooters, body armor, or shooting positions without fumbling.
• Compactness: The RipStock contributes to the rifle's overall compact nature when fully collapsed, making it easier to transport and store.
• Ergonomic Comfort: Designed for comfortable cheek weld and shoulder fit, the RipStock improves shooting stability and reduces fatigue during extended use.

Additional Key Components for Superior Performance:

• CMMG RML15 M-LOK Handguard: This free-float handguard system ensures that accessories can be easily attached without impacting barrel harmonics, thus preserving accuracy. The M-LOK system is lightweight and versatile, allowing for direct attachment of lights, lasers, bipods, and other accessories.
• CMMG Mil-Spec Trigger: While often seen as a standard component, the CMMG Mil-Spec trigger provides a consistent and reliable pull, essential for accurate shot placement. Its robustness is ideal for general utility and tactical applications.
• CMMG Enhanced Bolt Carrier Group (BCG): Specifically designed for the 6mm ARC, this BCG ensures reliable feeding and extraction of the cartridge, crucial for consistent performance.

Real-World Applications and User Outcomes

How does the CMMG Resolute 300 MK4 in 6mm ARC translate into tangible benefits for the shooter? Its design and caliber make it highly proficient in several real-world scenarios:

• Precision Shooting at Distance: For those engaging targets at 300, 500, or even 800 yards, the 6mm ARC's ballistic superiority shines. Users can expect tighter groups and less holdover, leading to more satisfying and effective long-range sessions. It answers the question, "What rifle can I use to consistently hit steel plates at 600 yards with an AR-15 platform?"
• Ethical Hunting: The 6mm ARC delivers ample energy for humanely taking medium-sized game. Its flat trajectory means less guesswork on range estimation, increasing the likelihood of a clean, ethical harvest. This rifle is often chosen by hunters seeking a lightweight, accurate, and powerful AR-15 for the field.
• Competitive Shooting: While not a dedicated competition rifle, its accuracy and speed make it a capable contender in various multi-gun or tactical rifle matches where versatility and quick target acquisition are key.
• Homestead and Property Defense: The reliability of the CMMG platform combined with the potent 6mm ARC makes it a formidable tool for personal or property defense, offering a balance of maneuverability and effective stopping power.

Natural Brand Integration and Availability

CMMG has established itself as a reputable and innovative manufacturer in the firearms industry. Their commitment to quality control and continuous improvement is evident in every detail of the Resolute 300 MK4. When you choose a CMMG rifle, you're investing in a product backed by a legacy of excellence and designed for reliable, long-term performance.

This exceptional CMMG Resolute 300 MK4 6mm ARC rifle, model 60A10D7-OD, with its distinctive OD Green Cerakote receiver and CMMG 6 Position RipStock, is readily available to discerning customers at DEGuns. As a leading retailer, DEGuns ensures that you have access to a wide range of firearms and accessories, backed by knowledgeable customer service. For those seeking to acquire a premium AR-platform rifle that pushes the boundaries of performance and versatility, DEGuns is the trusted source for your CMMG needs.

Frequently Asked Questions About the 6mm ARC and CMMG Resolute Series

• Is the 6mm ARC good for deer hunting? Yes, the 6mm ARC is an excellent cartridge for deer hunting. Its ballistics provide sufficient energy and trajectory for ethical harvesting of medium game within typical hunting ranges for an AR-15 platform.
• What is the effective range of the 6mm ARC? While capable of hitting targets out to 1000 yards or more, the 6mm ARC is highly effective in an AR-15 platform out to 600-800 yards, particularly with quality ammunition.
• What are the benefits of Cerakote finish? Cerakote offers superior protection against corrosion, wear, and chemical exposure compared to traditional firearm finishes. It enhances durability and maintains the aesthetic appeal of the firearm over time.
• Is the CMMG Resolute series reliable? CMMG's Resolute series is highly regarded for its reliability and robust construction. They are built to withstand demanding use and provide consistent performance.
• Can I use standard AR-15 magazines with 6mm ARC? Yes, 6mm ARC cartridges are designed to fit and feed reliably from standard AR-15 magazines, though specific 6mm ARC optimized magazines may offer marginal improvements in some cases.

The CMMG Resolute 300 MK4 6mm ARC (60A10D7-OD) is more than just a rifle; it's a testament to modern firearm engineering, offering an unparalleled blend of precision, power, and practical utility in a compact, AR-15 package. It's the answer for shooters ready to elevate their capabilities.

Key Specifications

Feature	Detail
Model	CMMG 60A10D7-OD Resolute 300 MK4
Caliber	6mm ARC
Barrel Length	16.10 inches
Magazine Capacity	10+1 Rounds
Receiver Finish	OD Green Cerakote
Stock	CMMG 6 Position RipStock
Platform	AR-15 (MK4)
Muzzle Device	CMMG SV Brake
Handguard	CMMG RML15 M-LOK
Trigger	CMMG Mil-Spec Trigger
Gas System	Mid-Length, Pinned Low-Profile Gas Block
Receiver Material	Forged 7075-T6 Aluminum
Approx. Weight	6.5 lbs (unloaded)
Barrel Twist Rate	1:7.5" (common for 6mm ARC, verify on product)