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SKU: 419HF-BN-6.5MM-5824
Built for hunters and precision shooters who want a muzzle device that installs cleanly and times without tools, this brake is part of a modular system designed around repeatable setup and easy removal. It uses rearward-facing ports and a proprietary port design to help manage recoil and muzzle rise, while the self-timing collar and universal adapter are intended to simplify alignment on the barrel. The system is offered in multiple caliber selections and thread options, giving it flexibility for different rifle setups without requiring a separate brake for every bore size. It is presented as a premium, made-in-USA option for shooters who value straightforward installation and a consistent return to zero when the brake is removed and reinstalled.
Tool-free Timing
A simple knurled nut, no
Brake Stays
Put while tightening, helping preserve
Universal Adapter
Supports multiple muzzle attachments within
Available Four
Caliber groupings to simplify selection
Rearward-facing Ports
Proprietary design are intended to
| 2236mm Compatibility | Up to and including 0.243 (6mm), including 223, 5.56 NATO, 204, 17 cal |
|---|---|
| 338 Compatibility | Up to and including 0.338, including 338WM, 338LM, 338NM, 338 Edge |
| 6 5mm Compatibility | Up to and including 0.264 (6.5mm), including 257 (Magnums OK) |
| 7mm308 Compatibility | Up to and including 0.308, including 7mm, 284, 270 (Magnums OK) |
| Brake Face Markings | Caliber engraving and horizontal leveling line |
| Brake Finish Options | Black Nitride, Raw stainless |
| Brake Material | Heat treated 17-4PH Stainless Steel |
| Brake Od | 1 OD |
| Brake Port Design | Rearward facing ports |
| Brake Type | Self Timing Muzzle Brake |
| Caliber Options | 223/6mm, 6.5mm, 7mm/308, 338 |
| Collar Od | 1.1 OD |
| Installation | Tool-free timing with knurled nut |
| Large Magnum Port Count | 4-port larger diameter |
| Made In Usa | 100% Made in USA |
| Manufacturing Location | NW Ohio |
| Port Count | 3-port design |
| Return To Zero | Excellent |
| System | HELLFIRE Modular Brake System |
| Thread Direction | Left hand thread onto adapter |
| Universal Adapter | Included |
| Universal Adapter Finish | Black Nitrided |
| Universal Adapter Fit | Class 3 fit |
| Universal Adapter Thread Sizes | 5/8-24, 1/2-28 |
The product is offered in four caliber selections: 223/6mm, 6.5mm, 7mm/308, and 338. The description lists example cartridges for each selection, and notes that the 338 option is limited to a 5/8-24 maximum thread size.
No. The description says it uses a simple round knurled nut that requires no tools to time the brake. It also says the brake will not turn as you torque the collar to lock, which helps keep the ports aligned.
The universal adapter is available in 5/8-24 and 1/2-28. Both are listed as class 3 fit.
The description says return to zero is excellent, and that removal and reinstallation will not require a zero change. That is the manufacturer’s stated claim in the product data.
The brake is listed in Black Nitride finish or raw stainless. The universal adapters are listed as Black Nitrided to prevent galling.