Rearden Manufacturing Group Llc Spb Muzzle Brake 0.375 Sr25 Threads Square Shoulder BlackRearden$90.00
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Rearden
The Rearden SPB muzzle brake is a precision-engineered device built for shooters running Plan B compatible suppressor systems. Machined from 17-4 PH H900 stainless steel and finished in black nitride, this 0.375" 14x1 left-hand threaded brake provides a repeatable mounting platform that locks in square against your barrel shoulder—critical for keeping your suppressor system properly aligned downrange. Whether you're running an Atlas or Atlas XL suppressor, this brake gives you the solid foundation you need for consistent accuracy and reliable performance.
The square-shoulder design means your suppressor seats predictably every time you mount it, and the included shims let you fine-tune the fit to your specific barrel. The nitride finish isn't just for looks; it creates a tighter seal with your suppressor and stands up to the punishment of high-volume shooting. Just remember that proper installation matters here—torque the brake to 15–25 ft-lbs, use an alignment rod to verify the system is running true, and lock it in place with Rockset. Clean threads and tapers when you mount your can, torque the suppressor itself to 10 ft-lbs, and verify alignment before you shoot.
This is a component-level part, not a complete suppressor system, so compatibility with your barrel's thread pitch and your suppressor platform is on you to verify. If you're already invested in Plan B infrastructure or running an Atlas/Atlas XL suppressor, the SPB brake handles the job with the kind of boring reliability that lets you focus on shooting.
| Thread Pitch | 0.375" 14x1 LH |
| Material | 17-4 PH H900 stainless steel |
| Finish | Black nitride (67 HRC) |
| Design | Square shoulder |
| Suppressor Compatibility | Plan B, Atlas, Atlas XL |
| Shims | Included (not included with SR25/M110 or 11/16×24" versions) |
The SPB brake is compatible with Plan B type mounts and Atlas/Atlas XL suppressors. Your suppressor must be engineered for Plan B compatibility; verify with the suppressor manufacturer before purchase.
Torque the brake to the barrel at 15–25 ft-lbs, then lock it in place with Rockset. When mounting your suppressor, torque it to approximately 10 ft-lbs. Always use an alignment rod to verify the system runs true before shooting.
Shims are included to help dial in fit (except on SR25/M110 or 11/16×24" versions). The brake itself is the only muzzle device included; you'll need a separate suppressor and any adapters required by your specific setup.
This model is 0.375" diameter with 14x1 left-hand threads. Make sure your barrel is threaded to this spec before ordering.
Rearden
The Rearden SPB muzzle brake is a precision-engineered device built for shooters running Plan B compatible suppressor systems. Machined from 17-4 PH H900 stainless steel and finished in black nitride, this 0.375" 14x1 left-hand threaded brake provides a repeatable mounting platform that locks in square against your barrel shoulder—critical for keeping your suppressor system properly aligned downrange. Whether you're running an Atlas or Atlas XL suppressor, this brake gives you the solid foundation you need for consistent accuracy and reliable performance.
The square-shoulder design means your suppressor seats predictably every time you mount it, and the included shims let you fine-tune the fit to your specific barrel. The nitride finish isn't just for looks; it creates a tighter seal with your suppressor and stands up to the punishment of high-volume shooting. Just remember that proper installation matters here—torque the brake to 15–25 ft-lbs, use an alignment rod to verify the system is running true, and lock it in place with Rockset. Clean threads and tapers when you mount your can, torque the suppressor itself to 10 ft-lbs, and verify alignment before you shoot.
This is a component-level part, not a complete suppressor system, so compatibility with your barrel's thread pitch and your suppressor platform is on you to verify. If you're already invested in Plan B infrastructure or running an Atlas/Atlas XL suppressor, the SPB brake handles the job with the kind of boring reliability that lets you focus on shooting.
| Thread Pitch | 0.375" 14x1 LH |
| Material | 17-4 PH H900 stainless steel |
| Finish | Black nitride (67 HRC) |
| Design | Square shoulder |
| Suppressor Compatibility | Plan B, Atlas, Atlas XL |
| Shims | Included (not included with SR25/M110 or 11/16×24" versions) |
The SPB brake is compatible with Plan B type mounts and Atlas/Atlas XL suppressors. Your suppressor must be engineered for Plan B compatibility; verify with the suppressor manufacturer before purchase.
Torque the brake to the barrel at 15–25 ft-lbs, then lock it in place with Rockset. When mounting your suppressor, torque it to approximately 10 ft-lbs. Always use an alignment rod to verify the system runs true before shooting.
Shims are included to help dial in fit (except on SR25/M110 or 11/16×24" versions). The brake itself is the only muzzle device included; you'll need a separate suppressor and any adapters required by your specific setup.
This model is 0.375" diameter with 14x1 left-hand threads. Make sure your barrel is threaded to this spec before ordering.