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SKU: 419HF-BN-308 5/8x24 or 419HF-BN-30-5824
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 for straightforward setup and repeatable reinstallation. Its rearward-facing port design is intended to reduce recoil and help control muzzle rise, while the self-timing collar and universal adapter simplify alignment on the barrel. Caliber options are offered to cover a wide range of common chamberings, and the system is available with 5/8-24 and 1/2-28 adapter choices. It is a practical fit for rifles where easy removal, consistent return to zero, and a streamlined setup matter more than a complicated brake arrangement.
Tool-free Timing
A simple knurled nut, requiring
Universal Adapter
Stays on the barrel for
Caliber Options
Cover .223/6mm, 6.5mm, 7mm/308, and
Rearward-facing Ports
Proprietary port design help control
Face Engraving
Leveling line support correct brake
| 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 Orientation Marking | Caliber engraved on face and horizontal leveling line |
| Brake Outer Diameter | 1 OD |
| Brake Port Count | 3-port design |
| Brake Type | Self Timing Muzzle Brake |
| Caliber Selections | 223/6mm, 6.5mm, 7mm/308, 338 |
| Collar Outer Diameter | 1.1 OD |
| Country Of Origin | USA |
| Finish Options | Black Nitride, Raw stainless |
| Installation | Tool-free brake timing with knurled nut; universal adapter torqued onto barrel with a 5/8 wrench |
| Large Magnum Brake Design | 4-port larger diameter planned |
| Made In Usa | 100% |
| Manufacturing Location | NW Ohio |
| Material | Heat treated 17-4PH Stainless Steel |
| Max Thread Size | 5/8-24 |
| Port Design | Rearward facing ports |
| Return To Zero | Excellent |
| System | HELLFIRE Modular Brake System |
| Top Porting | Not used |
| Universal Adapter Finish | Black Nitrided |
| Universal Adapter Fit | Class 3 fit |
| Universal Adapter Sizes | 5/8-24, 1/2-28 |
| Universal Adapter Taper Surface | Taper surface similar to a machine tool spindle |
| Universal Adapter Thread Concentricity | Threads are 100% concentric to taper surface |
| Universal Adapter Use | Tool-free use of multiple muzzle attachments |
The product data lists four caliber selections: 223/6mm, 6.5mm, 7mm/308, and 338. The description also gives example cartridges for each selection.
No. The description says it uses a simple round knurled nut that requires no tools to time the brake.
The product description says return to zero is excellent, meaning removal and re-installation will not require a zero change.
The universal adapter is listed in 5/8-24 and 1/2-28 thread options, both with class 3 fit.
The description says the brake will be available in Black Nitride finish or raw stainless. It also notes that all universal adapters will be black nitrided.