CMMG Dissent BR4 CA Compliant – 5.56 NATO/.223 Rem, 10+1, 14.50" Barrel, Armor Black Cerakote, Magpul SGA Stock, Zeroed Single Stage Trigger (55A080BAB / 840442500078)
The CMMG Dissent BR4 CA Compliant 223 Rem/5.56 NATO (model 55A080BAB, UPC 840442500078) brings the innovation of CMMG’s Dissent line to shooters who need a California-compliant modern sporting rifle without sacrificing performance, reliability, or style. Purpose-built for restrictive states, this BR4 configuration delivers 10+1 capacity, a 14.50" barrel, and a Black Armor Cerakote aluminum receiver, paired with a Magpul SGA stock and CMMG Zeroed drop-in single-stage trigger for an enhanced, premium shooting experience.
Whether you’re running drills at the range, setting up a home-defense carbine, or simply want a top-tier CA-legal platform, the Dissent BR4 CA Compliant gives you cutting-edge design in a package that’s tailored to meet California’s requirements.
Key Specifications – CMMG Dissent BR4 CA Compliant 5.56
Manufacturer: CMMG
Model: Dissent BR4 CA Compliant
Caliber: .223 Rem / 5.56 NATO
Capacity: 10+1 (state-compliant)
Barrel Length: 14.50"
Receiver: Aluminum, Black Armor Cerakote finish
Finish: Armor Black Cerakote – durable and corrosion-resistant
Stock: Magpul SGA stock
Trigger: CMMG Zeroed drop-in single-stage trigger
Action: Semi-automatic
Model Number: 55A080BAB
UPC: 840442500078
California-Compliant Modern Sporting Rifle
The CMMG Dissent BR4 CA Compliant is designed with restrictive jurisdictions in mind, giving shooters a feature-conscious configuration while retaining the core performance that CMMG is known for.
10-round magazine capacity to align with California capacity limits.
Built with a feature set configured for compliance while still offering a functional, ergonomic platform.
Ideal for California residents looking for a high-quality 5.56 rifle that respects local laws.
Always verify current state and local regulations to ensure compliance with your specific jurisdiction.
14.50" Barrel – Compact, Balanced & Range-Ready
The 14.50" barrel gives the Dissent BR4 a compact footprint without sacrificing real-world ballistics:
Excellent balance between maneuverability and velocity, ideal for range work, dynamic shooting, and defensive applications.
Shorter overall length makes it easier to handle in tight spaces, vehicles, and confined shooting lanes.
Optimized for common 5.56/.223 loads, offering reliable accuracy and energy for a variety of roles.
This barrel length makes the BR4 feel lively and responsive, perfect for shooters who want a nimble rifle that still performs at typical carbine distances.
Black Armor Cerakote Aluminum Receiver – Durable & Sleek
At the heart of the Dissent BR4 is a lightweight aluminum receiver set finished in Black Armor Cerakote:
Aluminum construction helps keep overall weight manageable while maintaining rigidity and durability.
The Armor Black Cerakote finish offers excellent resistance to corrosion, wear, moisture, and abrasion, extending the life of the firearm.
Sleek, low-glare black color gives the rifle a modern, tactical appearance that pairs well with optics and accessories.
This is a rifle built to handle regular range use, training, and real-world handling without looking worn out after a few sessions.
Magpul SGA Stock – Ergonomic, Adjustable & Proven
The Magpul SGA stock brings a trusted, feature-rich design to the Dissent BR4 platform:
Designed for enhanced ergonomics and comfort, helping shooters achieve a natural, repeatable cheek weld.
Rugged polymer construction that stands up to hard use, bumps, and drops.
Well-suited for shooters who want a stable, controllable stock that supports accurate shooting and recoil management.
Magpul furniture has become the gold standard for modern sporting rifles, and the SGA stock complements the Dissent BR4’s premium, duty-ready feel.
CMMG Zeroed Drop-In Single Stage Trigger – Crisp, Clean Break
One of the standout features of this rifle is the CMMG Zeroed drop-in single-stage trigger:
Single-stage design with a consistent pull and clean break helps improve practical accuracy and shot confidence.
Drop-in construction ensures a precise, self-contained trigger module engineered for reliability.
Ideal for shooters who want a smoother, more refined trigger than a typical mil-spec setup, without needing aftermarket gunsmithing.
A good trigger is one of the most important upgrades you can have on any rifle, and the Dissent BR4 gives you that advantage right from the factory.
Optics-Ready Platform – Easy to Customize
The CMMG Dissent BR4 CA Compliant is built to be optics-ready, making it easy to tailor your rifle to your preferred shooting style:
Flat-top receiver design (optics not included) provides a natural mounting surface for:
Ready for additional accessories such as backup sights, lights, lasers, grips, and slings (depending on your configuration and local laws).
This flexibility allows you to configure the BR4 for range plinking, home defense, or training, all on one adaptable platform.
Reliable 5.56/.223 Performance
Chambered in .223 Rem/5.56 NATO, the Dissent BR4 delivers trusted performance with one of the most widely used rifle calibers in the world:
Compatible with a huge variety of factory ammunition, from economical ball to premium defensive and match loads.
Manageable recoil that’s easy to control for both new and experienced shooters.
Suitable for training, recreational shooting, defensive roles, and skill development.
This makes the Dissent BR4 an excellent choice for anyone wanting a versatile, CA-compliant 5.56 platform that can do a bit of everything.
Ideal Uses – Who Is the CMMG Dissent BR4 CA Compliant For?
The CMMG Dissent BR4 CA Compliant 223 Rem/5.56 NATO is a great choice for:
California and other restrictive-state shooters seeking a high-quality, compliant modern sporting rifle.
New AR-style rifle owners who want a refined, feature-rich rifle out of the box.
Experienced shooters who demand a premium trigger, durable finish, and ergonomic stock in a factory setup.
Enthusiasts building a defensive, training, or range carbine that respects state regulations while still offering top-tier performance.
If you want a CA-compliant 5.56 rifle that doesn’t feel like a compromise, the Dissent BR4 is engineered to deliver.
At-a-Glance – CMMG Dissent BR4 CA Compliant (55A080BAB / 840442500078)
Brand: CMMG
Model: Dissent BR4 CA Compliant
Caliber: .223 Rem / 5.56 NATO
Capacity: 10+1
Barrel Length: 14.50"
Receiver Material: Aluminum
Finish: Black Armor Cerakote
Stock: Magpul SGA stock
Trigger: CMMG Zeroed drop-in single-stage trigger
Use: Range, training, home defense (where legal), CA-compliant modern sporting rifle
For shooters in California and similar jurisdictions who want a modern, reliable, and premium 5.56 platform, the CMMG Dissent BR4 CA Compliant 223 Rem/5.56 NATO (55A080BAB) combines compliance, quality, and performance in a refined, ready-to-shoot package.
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