Product DescriptionThe Rearden Alpha Atlas provides a durable mount interface for suppressors that use 1.125-28 inside diameter threading, including models such as the Rugged Obsidian 9 and Obsidian 45. Manufactured from 17-4 PH H900 stainless steel and finished in nitride for enhanced wear and corrosion resistance, it is designed to work with short Rearden devices and other Plan B compatible muzzle devices. It is not recommended for suppressors that use low-profile style adapters (for example, the Omega 9K).Product Highlights Alpha Atlas mount adapter for suppressors with 1.125-28 internal (inside diameter) threads Made from 17-4 PH H900 stainless steel for strength and durability Nitride finish for improved corrosion resistance and long-term wear protection Compatible with short Rearden devices (FHD, Mini, SPB, RPB, R2S) Works with Q Cherry Bomb and other Plan B compatible muzzle devices Specs Brand: Rearden Manufacturer Part Number: 10096 UPC: 850041491134 Mount / Adapter Type: Alpha Atlas mount interface Suppressor Thread Interface: 1.125-28 (internal/inside diameter threading) Material: 17-4 PH H900 stainless steel Finish: Nitride (black) Compatibility Notes: Not recommended for suppressors using low-profile style adapters (e.g., Omega 9K) 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.