Rearden PRS - Single Port Brake - 3/4X20 .375" Bore - Black

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Rearden PRS Single Port Brake 3/4x20 - Black Nitride Finish

Larger single port brake from Rearden Manufacturing for use with their Atlas universal hub suppressor adapter with 0.375" bore.

Call it simplicity, call it great engineering, call it basic, call it art.  Rearden is all those things, but mostly, Rearden brings us great engineered and machined products to connect our suppressors to our barrels.

Rearden is designing and building suppressor mounts with the idea or universal in mind. Rearden Manufacturing is bring new options to connect barrels to the universal internal threads, so many suppressor companies are offering in what is being known as Hub, "Bravo," or "ASR" internal threaded adapters. Rearden's universal hub is the Atlas.  The PRS is a larger one port brake with a .375" bore meaning it is able to be used on big bore calibers such as .338 Lapua as well as the more common .30 caliber rounds.


  • Designed for barrels larger than .750″ but works fine for those under as well.
  • 17-4 PH H900
  • Atlas and Atlas XL Compatible
  • Plan B Compatible
  • Atlas Adapter Overrun Approximately 1.050″
  • Atlas XL Adapter No Overrun
  • 3/4X20 Threads .375" Bore
  • Black Nitride Finish (67 HRC Surface Hardness)
  • Total Length 2.25"
  • Length Added 1.625"
  • Weight 2.77 oz.
  • Shims Included
  • Made in the USA by small family business of true craftsmen
  • Manufacturer's Part Number 10136

Discover a new paradigm in firearm components with the Rearden PRS - Single Port Brake. Uniting functionality, innovation, and American craftsmanship, this muzzle device is more than an aesthetic enhancement to your rifle - it's a game-changer.

Forged from superior 17-4 stainless steel, the PRS Single Port Brake delivers outstanding durability and performance. This high-strength material, treated with a Black Nitride Finish, offers a remarkable surface hardness of 67 HRC, ensuring a long-lasting, corrosion-resistant component that can handle the toughest shooting conditions.

The PRS Single Port Brake is meticulously designed to reduce recoil and ensure optimal shooting experience, whether you're shooting suppressed or unsuppressed. It looks especially good on larger diameter competition barrels.

Compatibility is at the core of Rearden's product line. The Single Port Brake is specifically designed to pair seamlessly with their Atlas universal hub suppressor adapter. It accommodates the prevalent "Bravo" or "ASR" internal threaded adapters provided by various suppressor companies, demonstrating the Rearden commitment to versatile and user-friendly design.

Designed for 7.62mm barrels, this single port brake features 3/4X20 threads and a .375" bore, making it suitable for big bore caliber rifles. However, it is not intended for use with 9mm firearms. With an overrun of approximately 1.050" for the Atlas Adapter, it perfectly integrates into your shooting setup without sacrificing the overall aesthetics or balance of your rifle.

Made in the USA by skilled craftsmen, the PRS Single Port Brake showcases the attention to detail and high-quality workmanship synonymous with Rearden Manufacturing. This small family business has revolutionized the way we connect suppressors to our barrels, delivering functional and aesthetically pleasing solutions. 

When installing, it's important to ensure alignment and properly torque and apply Rocksett to the muzzle device for optimal safety and performance. With the Single Port Brake from Rearden, you can enjoy a superior shooting experience, both suppressed and unsuppressed.

Enhance your shooting prowess and aesthetics with the Rearden PRS - Single Port Brake. It's not just about owning a firearm, it's about maximizing its potential. Let Rearden lead the way.