Phase 5 Weapon Systems FATman Hex Brake – Black Parkerized Steel – 1/2"-36 Threads – 3" OAL – Compatible with 9mm, 7.62x39mm & 6.8mm AR Platforms – Model FATMAN9MM / UPC 813318021540
Upgrade your AR-platform firearm with extreme recoil control, reduced muzzle rise, and aggressive styling using the Phase 5 Weapon Systems FATman Hex Brake. Engineered for shooters who demand high-performance muzzle devices, this heavy-duty brake features a unique hexagonal body, precision side ports, and deep gas expansion chambers—delivering exceptional recoil mitigation and improved follow-up shot speed.
Manufactured from rugged black parkerized steel and designed to fit barrels with 1/2"-36 threads, this 3-inch muzzle brake is optimized for 9mm AR carbines, 7.62x39mm rifles, and 6.8mm builds, making it one of the most versatile and effective muzzle brakes available for modern sporting rifles.
Advanced Recoil and Muzzle Rise Reduction
The FATman Hex Brake utilizes a dual-chamber and multi-port gas redirection system that dramatically reduces recoil impulse. The combination of large gas expansion chambers and strategically angled ports helps:
Minimize muzzle climb
Improve rapid follow-up accuracy
Reduce felt recoil
Enhance shooting stability
Support faster target reacquisition
Ideal for tactical shooters, competitors, and enthusiasts seeking dependable recoil control.
Hexagonal Profile for Enhanced Performance & Style
The signature hex-shaped body is more than just visually striking. It provides:
Increased surface area for heat dissipation
Structural reinforcement and strength
Unique, aggressive aesthetics that complement custom AR builds
This standout design gives your rifle a distinct look while improving functionality.
Durable Black Parkerized Steel Construction
Built for longevity, the FATman Hex Brake is machined from heat-treated steel and finished in a corrosion-resistant black parkerized coating. This ensures superior resistance to:
Heat
Carbon buildup
Moisture and corrosion
Harsh field environments
Perfect for duty rifles, range guns, and tactical builds alike.
3-Inch Overall Length for Added Balance
With a total length of 3 inches, this brake offers extended muzzle control while also slightly shifting rifle balance forward—a feature many shooters prefer for steadier hold and improved tracking.
The longer profile also contributes to more effective gas control, helping further stabilize the rifle during rapid shots.
Compatible with 9mm, 7.62x39mm & 6.8mm AR Builds
Thanks to its 1/2"-36 thread pattern, this FATman model is tailored for calibers commonly used in AR-pattern carbines, including:
Its broad caliber compatibility makes it excellent for custom projects and multi-platform shooters.
Easy Installation
The FATman Hex Brake installs easily onto threaded barrels using standard tools. The design ensures proper alignment and reliable long-term use.
Perfect for Tactical, Competition & Custom Builds
Whether you're building a defensive AR pistol, a competition PCC, or a unique 7.62x39 rifle, this muzzle brake provides unmatched value. Ideal for:
Its ruggedness, efficiency, and striking design make it a top-tier upgrade for any AR platform.
Key Product Specifications
Brand: Phase 5 Weapon Systems
Model: FATman Hex Brake
Part Number: FATMAN9MM
UPC: 813318021540
Material: Steel
Finish: Black parkerized
Thread Pattern: 1/2"-36 tpi
Overall Length: 3 inches
Caliber Compatibility: 9mm, 7.62x39mm, 6.8mm
Type: Muzzle brake / compensator
Take Control of Recoil with Superior Engineering
The Phase 5 FATman Hex Brake is built for shooters who demand performance, style, and durability from their muzzle device. With its recoil-taming chambers, sleek black parkerized finish, and distinctive hexagonal design, this brake transforms the shooting experience—offering smoother handling, faster follow-ups, and better control in every condition.
Upgrade your AR-platform rifle with the FATman Hex Brake and experience unmatched recoil management and tactical performance.
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