The CZ BREN 2 MS Pistol is a modular 5.56×45 NATO semi-automatic designed for compact tactical and range use while retaining the adaptability of the Bren platform. Its carbon fiber-reinforced polymer lower and slimmed aluminum upper reduce weight without sacrificing structural strength, and the modular forend accepts different lengths or accessories. The pistol form includes a flush rear plate provision for AR-style buffer tubes and arm braces, making it suitable for users who plan to install a brace or pursue SBR conversion in accordance with applicable law.

Key Specifications

• The firearm is chambered in 5.56×45 NATO (.223 Rem).
• The barrel measures 11.14 inches and is cold hammer-forged for durability.
• The frame uses a carbon fiber‑reinforced polymer lower paired with an aluminum upper to reduce weight.
• The overall length is 22.8 inches, providing a compact footprint for a modular pistol.
• The unloaded weight is approximately 5.625 pounds for serviceable handling and balance.
• The design uses AR-15/M16-style magazines with a stated magazine capacity of 30 rounds.
• Sights are folding, adjustable front and rear iron sights for low-profile transport and emergency use.
• Controls are fully ambidextrous, including safety, bolt catch/release, and magazine release locations familiar to AR users.
• The barrel features a 1/2-28 tpi thread pattern and ships with a flash hider fitted.
• Operating system is a short-stroke gas piston with an internal return spring.

State shipping and magazine limits: This model carries specific state shipping restrictions — it is not available for direct ship to Rhode Island or Washington, and it is marked as not for sale to Oregon. Customers should also be aware that several U.S. jurisdictions restrict magazine capacity to ten rounds; those states and districts include Hawaii, California, Connecticut, District of Columbia, Illinois, Maryland, Massachusetts, New Jersey, New York, Rhode Island, Vermont, Washington, and Colorado. Ensure compliance with all state and local laws before purchase or modification.

The BREN 2 MS emphasizes modularity and low weight while preserving a robust operating system and practical ergonomics. Its folding sights, ambidextrous controls, and provision for AR-style buffer tubes make it a practical choice for informed shooters seeking a versatile 5.56 pistol platform for range use, training, or conversion within legal boundaries.