Product Description The Griffin Armament 3-Lug Adapter (Model 3L57828) is a purpose-built muzzle device adapter designed for .45-caliber firearms with a .578x28 threaded barrel. Constructed from stainless steel and finished in a durable Melonite QPQ coating, this adapter converts a standard threaded muzzle to a three-lug interface, enabling fast and secure attachment of compatible suppressors and muzzle accessories. The Melonite QPQ finish delivers exceptional corrosion and wear resistance, ensuring long-lasting performance even under demanding conditions. Ideal for shooters looking to maximize compatibility between their .45 ACP pistol and three-lug-mount suppressor systems. Product Highlights Three-Lug Mounting Interface: Converts a .578x28 threaded barrel to a quick-attach three-lug mount for compatible suppressors and muzzle devices. Caliber Compatible: Specifically designed for .45-caliber firearms, ensuring proper bore alignment and safe operation. Stainless Steel Construction: Built from high-quality stainless steel for superior strength, durability, and resistance to corrosion. Melonite QPQ Finish: Advanced surface treatment provides outstanding hardness and wear resistance while maintaining a sleek, dark appearance. Precise Thread Specification: .578x28 thread pattern offers a reliable, consistent fit for .45 ACP threaded pistol barrels. Specs Brand: Griffin Armament Manufacturer Part Number (MPN): 3L57828 UPC: 791154081723 Product Type: 3-Lug Adapter Caliber: .45 Thread Pattern: .578x28 Material: Stainless Steel Finish: Melonite QPQ Primary Function: Three-Lug Accessory Mounting 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. ]]>