Product Description The Rearden DPB (Dual Port Brake) is a precision-engineered muzzle brake crafted for shooters who refuse to compromise on performance. Machined from 17-4 PH H900 stainless steel and finished with a Black Nitride coating that achieves a remarkable 67 HRC surface hardness, this muzzle device is built to withstand the most demanding conditions. Featuring a 1/2-28 thread pitch and full compatibility with Atlas, Atlas XL, and Plan B suppressor platforms, the DPB is as versatile as it is rugged. Shims are included for accurate timing and a clean, secure installation. Rearden was founded on a simple mission: be great and innovate, and the DPB is a direct reflection of that commitment. Product Highlights Machined from 17-4 PH H900 stainless steel for superior strength and long-term corrosion resistance Black Nitride finish provides a 67 HRC surface hardness for exceptional durability under hard use Fully compatible with Atlas, Atlas XL, and Plan B suppressor platforms for seamless integration 1/2-28 thread pitch with shims included for precise installation and proper device timing Atlas adapter overrun approximately 1.600"; Atlas XL adapter overrun approximately 0.750" Specs Brand: Rearden MPN: 10016 UPC: 850035804186 Thread Pitch: 1/2-28 Bore Size: 0.28 Material: 17-4 PH H900 Stainless Steel Finish: Black Nitride Surface Hardness: 67 HRC Compatibility: Atlas / Atlas XL / Plan B Atlas Adapter Overrun: Approximately 1.600" Atlas XL Adapter Overrun: Approximately 0.750" Accessories Included: Shims Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.