Rearden Dpb Mb .375 5/8-24 Nitride

The Rearden DPB muzzle brake in .375 caliber with 5/8-24 threading and nitride finish is a precision-engineered muzzle device built for shooters running Plan B compatible suppressor systems. This brake is engineered as part of a modular mounting ecosystem—it threads directly to your barrel and serves as the foundation for attaching compatible suppressors and adapters. The nitride finish delivers a harder, more durable surface that promotes a tighter seal when you stack components together, making it a solid choice for serious sound mitigation rigs.

The DPB design works with Atlas and Atlas XL adapters, giving you flexibility in how you configure your suppressor stack. Rearden includes shims in the package, letting you fine-tune fit and concentricity as you build your system. The larger wrench flats on the rear make installation easier when you're torquing the brake down to your barrel. Proper setup—using an alignment rod, keeping all threads and tapers scrupulously clean, and applying the correct torque specs—is critical to performance and reliability. This isn't a "throw it on" part; it's the anchor point of a precision suppressor system that rewards careful assembly.

Built from 17-4 PH H900 stainless, the DPB handles the pressure and heat of centerfire rifle use. The nitride surface hardness of 67 HRC resists wear and corrosion far better than bare steel, especially important since proper torque and Rocksetting to your barrel ensures the brake stays tight and in plane over time. If sound suppression is your mission, this brake is the starting point for a locked-down, dependable mounting platform.

Key Features

• Plan B compatible mount system with Atlas and Atlas XL adapter support
• Black nitride finish (67 HRC surface hardness) for corrosion resistance and durability
• 17-4 PH H900 stainless steel construction
• Larger rear wrench flats for easier installation
• Shims included for concentricity adjustment
• .375 caliber with 5/8-24 thread pitch

Specifications

Frequently Asked Questions

What adapters and suppressors are compatible with the Rearden DPB .375 5/8-24?

The DPB works with Plan B compatible suppressor systems and mounts directly to Atlas and Atlas XL adapters. Always verify that your suppressor and adapter are Plan B compatible before assembly.

How do I properly install the Rearden DPB muzzle brake?

Use an alignment rod to ensure the system is set up correctly. Clean all surfaces thoroughly, then torque the brake to your barrel at approximately 30 ft lbs and Rockset it in place. When attaching a suppressor or adapter, torque to 10 ft lbs and verify alignment. The included shims allow you to dial in concentricity.

What finish does this brake have and how durable is it?

The DPB features a black nitride finish with 67 HRC surface hardness. This nitride coating is harder and more corrosion-resistant than bare steel, and it also promotes a tighter seal when components are stacked and torqued correctly.

What's included with the Rearden DPB?

The package includes the muzzle brake and shims for concentricity adjustment and fit tuning.