Product Description The Rugged Suppressors OA008 .45 ACP 3-Lug Adapter is designed to provide a secure, repeatable suppressor mounting solution for firearms with 5/8x24 barrel threads. Featuring Rugged&';s Go/No-Go gauge, this adapter helps confirm proper suppressor attachment for added confidence on the range. Finished in black, it is intended for use with Rugged&';s .45 ACP 3-Lug Mount system. Product Highlights Go/No-Go gauge helps verify correct suppressor attachment before shooting 3-lug adapter interface designed for fast, consistent mounting 5/8x24 thread pattern for compatible .45 ACP platforms Built to work in conjunction with Rugged&';s .45 ACP 3-Lug Mount Black finish for a clean, low-glare appearance Specs Brand: RUGGED SUPPRESSOR Model: 3 Lug Adapter Caliber: .45 ACP Thread Pattern: 5/8x24 Finish/Color: Black (Matte) Manufacturer Part Number: OA008 UPC: 859383006907 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.