Product Description The Rugged Suppressors .45 ACP 3-Lug Adapter is built to help you run a compatible 3-lug mounting setup with confidence. Featuring Rugged&';s patented Go/No-Go gauge, it provides quick visual confirmation that your suppressor is properly attached for a more consistent, surprise-free shooting experience. This adapter is designed to be used in conjunction with Rugged&';s .45 ACP 3-Lug Mount and features .578x28 barrel threads. Product Highlights Patented Go/No-Go gauge helps confirm proper suppressor attachment .578x28 thread pattern for common .45 ACP pistol-caliber barrels 3-lug style adapter designed for quick, repeatable mounting Compatible for use with Rugged Suppressors .45 ACP 3-Lug Mount Recommended installation: Red Loctite or Rocksett with 20-25 ft-lbs of torque Specs Brand: Rugged Suppressors Product Type: .45 ACP 3-Lug Adapter (Suppressor accessory) Thread Pattern: .578x28 Caliber: .45 ACP Key Feature: Go/No-Go attachment gauge Compatibility: Used in conjunction with Rugged Suppressors .45 ACP 3-Lug Mount Recommended Torque: 20-25 ft-lbs (use Red Loctite or Rocksett) MPN: OA010 UPC: 859383006921 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.