Description The CMMG Dissent BR4 5.56mm NATO semi-auto rifle represents a modern approach to mid-length AR-platform design, combining innovative ergonomics with tactical functionality. This rifle delivers reliable performance for home defense, precision range shooting, and tactical applications. The 16-inch barrel provides an ideal balance between velocity and maneuverability, while the distinctive Midnight Bronze Cerakote finish offers both aesthetic appeal and protective coating. CMMG has engineered the Dissent platform to provide shooters with a versatile, reliable, and user-friendly rifle that stands apart from conventional AR-15 variants. Table of Contents Toggle CMMG Dissent BR4 5.56mm NATO Semi-Auto Rifle — Key SpecificationsPerformance & ReliabilityIntended Use & ApplicationsWhy Buy From CaliperDepot?Customization & Accessory Compatibility CMMG Dissent BR4 5.56mm NATO Semi-Auto Rifle — Key Specifications Caliber: 5.56mm NATO (.223 Remington compatible) Action: Semi-automatic, direct impingement Barrel Length: 16 inches with 1:7 twist rate Magazine Capacity: 10 rounds (Magpul PMAG included) Stock: Magpul MOE SL carbine stock for adjustability Handguard: Free-floating M-LOK compatible rail system Finish: Midnight Bronze Cerakote ceramic coating Safety: Ambidextrous safety selector for left and right-handed shooters Sights: Picatinny rail system compatible with optics and iron sights Overall Length: Approximately 32.5 inches (stock fully collapsed) Weight: Approximately 6.5 pounds Trigger: Enhanced mil-spec single-stage trigger Performance & Reliability The CMMG Dissent BR4 5.56mm NATO semi-auto rifle delivers exceptional reliability and consistent accuracy across various shooting scenarios. The direct impingement system provides proven reliability with minimal maintenance requirements, while the 16-inch barrel produces muzzle velocities in the 2,800 to 3,000 fps range depending on ammunition type. Field-tested users report tight shot groupings at 100 yards and excellent performance during rapid-fire drills, making the Dissent BR4 an ideal platform for both recreational and tactical shooting. The rifle’s design emphasizes reduced recoil impulse through quality materials and precise engineering, allowing for faster follow-up shots and improved shooter control. The M-LOK handguard system provides flexibility for mounting accessories while maintaining a lightweight profile. The free-floating barrel design enhances accuracy by eliminating stress on the barrel from the handguard, a feature typically found on higher-end precision rifles. Shooters appreciate the smooth cycling and predictable trigger break that the Dissent BR4 delivers consistently. CMMG’s commitment to quality manufacturing ensures that each Dissent BR4 undergoes rigorous testing before leaving the factory. The Midnight Bronze Cerakote finish provides superior corrosion resistance compared to traditional finishes, protecting the rifle during extended field use. Whether firing standard 5.56mm ammunition or .223 Remington loads, the CMMG Dissent BR4 performs reliably in diverse conditions, from controlled range environments to field applications. Intended Use & Applications The CMMG Dissent BR4 5.56mm NATO semi-auto rifle appeals to a diverse audience including home defense enthusiasts, sport shooters, and tactical training professionals. The 16-inch barrel length positions this rifle as an excellent choice for close-quarters to mid-range engagements, making it ideal for home defense scenarios where maneuverability in confined spaces matters. Law enforcement agencies and military personnel appreciate the familiar ergonomics and adaptability of the modern AR-platform design, while civilian shooters value the combination of reliability, accuracy, and customization potential. Sport shooters and competitive shooters benefit from the Dissent BR4’s accuracy and shootability, particularly in three-gun competitions and precision rifle matches. The rifle’s lightweight construction and balanced handling characteristics make it suitable for extended range sessions without inducing shooter fatigue. Tactical training courses and defensive firearms schools regularly employ rifles similar to the CMMG Dissent BR4 because the platform allows instructors to teach fundamental rifle handling skills across diverse student backgrounds. Hunting applications represent another significant use case for the CMMG Dissent BR4, particularly for varmint control and predator hunting where rapid follow-up shots may be necessary. The 5.56mm NATO cartridge provides adequate energy for small game and varmint-sized targets within appropriate ranges. For shooters seeking a modern, versatile rifle platform that bridges the gap between sport shooting and practical tactical applications, the AR-platform rifles category offers numerous configurations, and the CMMG Dissent BR4 represents one of the most innovative choices available. Visit CaliperDepot’s firearms section to explore complete rifle systems and components. Why Buy From CaliperDepot? CaliperDepot specializes in providing shooters with genuine, factory-fresh firearms backed by manufacturer warranties. Our competitive pricing and extensive inventory ensure that you can purchase the CMMG Dissent BR4 5.56mm NATO semi-auto rifle with confidence. We maintain stock of popular rifle models and complete build platforms, allowing us to ship orders quickly without unnecessary delays. Our knowledgeable customer service team stands ready to answer technical questions about specifications, compatibility, and accessories for your new rifle. Fast, reliable shipping to licensed dealers ensures your CMMG Dissent BR4 arrives in pristine condition with proper FFL documentation. We pride ourselves on transparent pricing with no hidden fees, and our secure checkout process protects your personal information. Whether you’re a first-time rifle buyer or an experienced shooter upgrading your collection, CaliperDepot provides the expertise and customer service that competitive shooters and tactical enthusiasts demand. Customization & Accessory Compatibility The CMMG Dissent BR4 5.56mm NATO semi-auto rifle integrates seamlessly with the extensive ecosystem of AR-platform accessories available in the market. The M-LOK handguard system provides simplified mounting solutions for tactical lights, vertical foregrips, and other accessories without requiring proprietary interfaces. The flat-top receiver design accepts any Picatinny-mounted optic, from budget-friendly red dots to premium variable power scopes, giving you unlimited flexibility for customizing your sight picture. The Magpul MOE SL stock can be swapped for various alternatives, allowing shooters to tailor the rifle to their specific ergonomic preferences. For shooters interested in extended-range accuracy, quality optics represent the single most impactful upgrade available. The free-floating barrel on the CMMG Dissent BR4 truly shines when paired with a precision optic and quality ammunition. Additional magazines, sling systems, and rail-mounted accessories can transform the basic rifle into a specialized tool for your intended application. CMMG maintains compatibility with industry-standard components, ensuring that future upgrades remain straightforward and affordable. For additional technical specifications and information about CMMG firearms engineering, visit the official CMMG website to explore their full product line and engineering philosophy. Understanding the design principles behind the Dissent platform helps shooters appreciate the thoughtful engineering that went into developing this rifle. Whether you’re planning to use your Dissent BR4 for home defense, sport shooting, or tactical training, the customization potential ensures this rifle will serve you well for years to come. The CMMG Dissent BR4 5.56mm NATO semi-auto rifle represents an excellent investment for any shooter seeking a reliable, accurate, and versatile platform. With its innovative Dissent design, quality manufacturing, and extensive customization options, this rifle delivers professional-grade performance at a competitive price point. Don’t miss the opportunity to own one of CMMG’s most thoughtfully engineered offerings—order your CMMG Dissent BR4 from CaliperDepot today and experience the difference that quality engineering makes. Contact our sales team now to verify in-stock availability and explore compatible accessories for your new rifle.