CMMG 30BC40AAB Resolute MK4 300 Blackout 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

When precision and performance matter most, the CMMG 30BC40AAB Resolute MK4 300 Blackout Upper Receiver stands as an impeccable choice for any AR-platform enthusiast. Crafted to meet the unique demands of today’s shooters, this upper provides the robust capabilities of the esteemed 300 Blackout caliber. It’s not just an upper receiver; it’s a key component designed to elevate your shooting experience, whether in competitive settings, tactical applications, or during casual outings at the range.

Imagine the thrill of hitting your target with impeccable accuracy. The CMMG Resolute MK4 is engineered for consistent performance, sporting a 16.1-inch barrel that strikes an ideal balance between maneuverability and firepower. The 1:7 twist rate of the barrel ensures optimal stabilization of a wide range of projectiles. This means that whether you're using subsonic or supersonic loads, your rounds will fly true, allowing you to engage targets confidently from various positions.

Durability meets innovation with a construction that's purpose-built for longevity. The billet 6061 T6 aluminum upper receiver is not only lightweight but also remarkably strong, ensuring that it can withstand rigorous use without compromising on functionality. Complemented with the CMMG EML15 M-LOK free-float handguard, you gain extensive modularity for mounting accessories, enhancing the customization potential of your rifle to suit your needs. The sleek, Armor Black Cerakote finish is not just aesthetically pleasing but also provides a resilient barrier against corrosion and wear, safeguarding your investment from the elements.

While the CMMG Resolute MK4 Upper Receiver does not include a bolt carrier group (BCG) or charging handle, it is designed to integrate seamlessly with the other components of your AR build. Whether you're a seasoned shooter looking to upgrade your current setup or a novice preparing for your first build, this upper receiver delivers unmatched performance and adaptability. Foster your passion for shooting with the reliability and precision that only CMMG can provide, making the CMMG 30BC40AAB Resolute MK4 300 Blackout Upper Receiver a worthy addition to your arsenal.

Key Features

• Chambered in 300 Blackout to maximize versatility and performance
• Lightweight yet durable aluminum construction for enhanced handling
• M-LOK free-float handguard for easy accessory attachment

Technical Specifications

What's in the Box

• CMMG 30BC40AAB Resolute MK4 Upper Receiver

Compatibility & Requirements

• Compatible with standard AR-platform components
• BCG and charging handle not included

Dimensions & Weight