Product Description The Rearden DPB Muzzle Brake is a precision-machined muzzle device built for .280 caliber rifles with a 1/2x28 thread pitch. Manufactured from 17-4 PH H900 stainless steel, this muzzle brake delivers outstanding strength and corrosion resistance. The Heat Treat finish creates a hardened, durable surface capable of withstanding the rigors of regular use. Designed for compatibility with the Atlas, Atlas XL, and Plan B suppressor mounting systems, the DPB gives shooters the flexibility to pair their rifle with a variety of suppressors. Shims are included to ensure proper timing and a straightforward installation experience. Product Highlights Atlas, Atlas XL, and Plan B Compatible: Designed to integrate seamlessly with popular suppressor mounting platforms, offering enhanced versatility in the field. 17-4 PH H900 Stainless Steel Construction: Premium material selection ensures superior hardness, corrosion resistance, and long-term durability. Heat Treat Finish: Provides a hardened surface for improved wear resistance under demanding shooting conditions. Precision .280 Bore with 1/2x28 Thread Pitch: Machined to exact tolerances for a secure, reliable fit on compatible .280 caliber rifles. Shims Included: Comes with shims for precise timing and hassle-free installation straight out of the box. Specs Brand: Rearden MPN: 10039 UPC: 850035804223 Type: Muzzle Brake Bore Size: .280 Thread Pitch: 1/2x28 Finish: Heat Treat Color: Gold Material: 17-4 PH H900 Stainless Steel Compatibility: Atlas / Atlas XL / Plan B Atlas Adapter Overrun: Approximately 1.600" Atlas XL Adapter Overrun: Approximately 0.750" Includes: 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.