Product Description The Rearden Atlas Alpha Low Profile (LPRO) is a compact thread adapter designed to provide a mount interface for suppressors that use 1.125-28 internal threading (Alpha thread pitch). Built to work with short muzzle devices, this heat-treated adapter offers a durable finish and a low-profile form factor for streamlined setups. Product Highlights Low-profile Atlas Alpha mount interface for suppressors with 1.125-28 internal threads (Alpha) Compatible with short muzzle device setups for reduced added length Heat-treated construction/finish for durability Designed for use with Rearden muzzle devices and other Plan B-compatible options Compact, lightweight adapter ideal for suppressor mounting configurations Specs Brand: Rearden Manufacturer Part Number: 10171 UPC: 850041491707 Thread Pitch: 1.125-28 (Alpha) Type: Suppressor mount thread adapter Profile: Low Profile (LPRO) Material: 17-4 PH H900 (per available web listing) Finish/Color: Heat Treat, Gold Weight: 1.22 oz (per available web listing) Length Added: 0.350 in (per available web listing) 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.