A self-timing 3-port brake and a heavy barrel tuner in one unit. The tuner finds the node within a revolution or two on even heavy match contours, and the extra weight at the muzzle balances PRS/NRL rifles.
Fitment & notes
- Brake + heavy barrel tuner in one; finds the node within a revolution or two
- Adds balance weight at the muzzle for PRS/NRL and rimfire rifles
- Ships with the double-threaded tuner locking collar only (no standard brake collar)
- Grease/anti-seize threads on stainless; oil black nitride periodically
- 1/2-20 fits CZ 457; 1/2-28 fits Ruger Precision Rimfire, Bergara B-14R, Vudoo V-22, Tikka T1x, RimX
Specifications
| Design | 3-port self-timing brake + barrel tuner |
|---|---|
| Diameter | 1.0" brake body, 1.125" locking collar, 1.6" tuner body |
| Length | 2.367" forward of the muzzle shoulder, 1.540" behind it |
| Back taper | Varies by option (see below) |
| Barrel fit (tuner) | Barrel up to 1.070" diameter, 1.5" behind the muzzle shoulder |
| Weight | 348 g / 12.28 oz |
| Material | 17-4 PH stainless steel |
| Installation | Self-timing locking collar, tensioning key included; no tools needed |
| Leveling | Leveling flat on the bottom for precise leveling |
Available options
| Thread Pitch | Bore (Caliber) | Finish |
|---|---|---|
| 1/2-20 | .22LR/.223/6mm | Stainless |
| 1/2-28 | .22LR/.223/6mm | Stainless |
| 5/8-24 | .22LR/.223/6mm | Stainless |
| 1/2-20 | .22LR/.223/6mm | Black Nitride |
| 1/2-28 | .22LR/.223/6mm | Black Nitride |
| 5/8-24 | .22LR/.223/6mm | Black Nitride |
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.
$203.28
