Self-timing hybrid top + side port brake with proprietary linked port (double expansion chamber). The hybrid top and side ports keep the muzzle down so you can watch your impacts, and the self-timing collar installs by hand. Built for weight-conscious hunting rifles; pairs with Proof Research Sendero contour.
Specifications
| Design | 3-port self-timing |
|---|---|
| Diameter | 1.0" brake body, 1.1" locking collar |
| Length | 2.367" |
| Back taper | Varies by option (see below) |
| Weight | 64 g / 2.26 oz |
| Material | Grade 5 titanium (6Al-4V) |
| Installation | Self-timing locking collar, tensioning key included; no tools needed |
| Leveling | Leveling flat on the bottom for precise leveling |
| Fits | Weight-conscious hunting rifles; pairs with Proof Research Sendero contour |
Available options
| Thread Pitch | Bore (Caliber) | Finish |
|---|---|---|
| 5/8-24 | 6.5mm | Raw Titanium |
| 5/8-24 | .30/7mm | Raw Titanium |
| 5/8-24 | 6.5mm | DLC |
| 5/8-24 | .30/7mm | DLC |
Choose a bore that matches or exceeds your caliber.
Installation
- Make sure the firearm is completely unloaded.
- Confirm the brake bore matches or exceeds your caliber.
- Remove the factory thread protector or muzzle device, and any O-ring on the threads.
- Thread on the locking collar and brake, time the brake by hand, then lock it with the included tensioning key.
- Remove the key after tightening.
Precision machined by Spearhead Machine in Canada.
$243.93
