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SKU: 419HF-BN-308-9/16X24
Built for hunters and precision shooters who want a brake that is straightforward to set up and remove, this modular system is designed around a self-timing interface and a tool-free locking collar. It uses rearward-facing ports to help reduce recoil and a proprietary port layout to manage muzzle rise without top porting, while the engraved face and leveling line help with correct orientation. The universal adapter is intended to stay on the barrel, and the brake can be reinstalled without requiring a zero change, which is useful for rifles that move between field use and other setups. Available caliber options and thread patterns make it adaptable, but buyers should match the brake and adapter to their rifle before ordering.
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
Are designed to reduce recoil
Brake Face
Is engraved for top orientation
| Brake Orientation Marking | Caliber engraving and horizontal line |
|---|---|
| Brake Outer Diameter | 1 OD Brake |
| Brake Port Count | Initially 3-port design |
| Brake Type | Self Timing Brake |
| Caliber Selections | 223/6mm, 6.5mm, 7mm/308, 338 |
| Collar Outer Diameter | 1.1 OD collar |
| Compatible Calibers | 223/6mm up to 0.243 (6mm); 6.5mm up to 0.264 (6.5mm); 7mm/308 up to 0.308; 338 up to 0.338 |
| Compatible Cartridges Examples | 223, 5.56 NATO, 204, 17 cal, 257, 7mm, 284, 270, 338WM, 338LM, 338NM, 338 Edge |
| Country Of Origin | Made In USA |
| Finish Options | Black Nitride finish or raw stainless |
| Installation | Tool-free brake timing with a knurled nut; universal adapter torqued onto barrel with a 5/8 wrench |
| Large Magnum Version | 4-port larger diameter planned |
| Manufacturing Location | NW Ohio |
| Material | Heat treated 17-4PH Stainless Steel |
| Port Design | Rearward facing ports |
| Recoil Reduction Claim | 52% recoil reduction on a 6.5 Creedmoor test rifle |
| Return To Zero | Excellent |
| System | HELLFIRE Modular Brake System |
| Testing Note | Independently tested side by side with the best brakes on the market |
| Thread Size Limit | 5/8-24 is still max thread size |
| Top Porting | No top porting |
| Universal Adapter Alignment | Taper surface similar to a machine tool spindle |
| Universal Adapter Feature | Allows tool-free use of multiple muzzle attachments |
| Universal Adapter Finish | Black Nitrided |
| Universal Adapter Fit | Class 3 fit |
| Universal Adapter Sizes | 5/8-24 and 1/2-28 |
| Universal Adapter Thread Concentricity | Threads are 100% concentric to taper surface |
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 for bullets up to .338 with 5/8-24 still the maximum thread size.
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, and that removal and re-installation will not require a zero change.
The universal adapter is available in 5/8-24 and 1/2-28, and both are listed as class 3 fit.
The brake is listed in Black Nitride finish or raw stainless, while all universal adapters come black nitrided.