The CMMG Mk3 in .308 Winchester (7.62x51mm NATO) has quickly gained a reputation as a serious contender in the AR-10 platform. This review will delve deep into its performance, reliability, and key features, providing a comprehensive assessment for potential buyers. We'll examine its strengths and weaknesses, comparing it to other rifles in its class and offering an unbiased perspective.
CMMG Mk3 308: A First Impression
The Mk3 308 immediately impresses with its robust construction. CMMG utilizes a high-quality, meticulously crafted receiver set, contributing significantly to the rifle's overall durability and accuracy. The fit and finish are excellent, reflecting a dedication to precision manufacturing. The weight, while noticeable, is expected for a .308 battle rifle, contributing to a stable shooting platform.
Performance on the Range
Accuracy is a paramount concern for any precision rifle, and the CMMG Mk3 308 delivers. During testing, using various ammunition types, including match-grade and factory loads, the rifle consistently produced sub-MOA groups at 100 yards. This level of accuracy is testament to CMMG's commitment to quality and precision manufacturing. Recoil is manageable, thanks to the rifle's weight and well-designed buffer system.
Key Performance Factors:
- Accuracy: Sub-MOA capable with quality ammunition.
- Recoil: Manageable, but noticeable due to the .308 caliber.
- Reliability: Demonstrated excellent reliability during extensive testing with various ammunition types. Few malfunctions were experienced.
- Ergonomics: The rifle features a comfortable, well-balanced design that promotes accurate shooting.
Reliability and Durability
The CMMG Mk3 308's reliability is a standout feature. Throughout rigorous testing, it consistently fed, fired, and ejected without issue. This speaks volumes about the quality of the components and CMMG's attention to detail in the manufacturing process. The rifle's robust construction ensures that it can withstand the demands of various shooting conditions and environments.
Features and Specifications
The CMMG Mk3 308 boasts several noteworthy features that contribute to its performance and overall appeal:
- Gas System: Typically features a mid-length gas system, offering a balance between reliability and recoil mitigation.
- Barrel: Usually a chrome-moly steel barrel, known for its durability and accuracy. The barrel length varies depending on the specific configuration.
- Receiver: High-quality forged receiver set known for its strength and precision.
- Handguard: Features a free-floating handguard for improved accuracy.
Comparison to Competitors
Compared to other AR-10 platform rifles in the same price range, the CMMG Mk3 308 stands out due to its exceptional accuracy, reliability, and robust build quality. While some competitors may offer certain features, the overall package of the Mk3 308 is difficult to match.
Conclusion: Is the CMMG Mk3 308 Worth It?
The CMMG Mk3 308 is a high-quality, reliable, and accurate AR-10 platform rifle that is well-suited for a variety of applications, from target shooting to hunting to potentially home defense (though always consider local laws and regulations). While the price point is higher than some entry-level AR-10s, the increased accuracy, reliability, and robust construction justify the investment for users who demand superior performance and durability. This rifle is a testament to CMMG's engineering prowess and a worthy addition to any serious shooter's collection. However, potential buyers should always handle and test-fire any firearm before purchasing to ensure a proper fit and feel.
