Product Description The Griffin Armament 3-Lug Adapter (3L1351LHSIG) is a precision-machined suppressor mounting solution engineered for 9mm firearms. Utilizing an HK-pattern 3-lug design, this adapter is fully compatible with any 3-lug silencer on the market built to this standard, as well as Griffin Armament&';s own 3-lug interface assemblies. Manufactured from hardened stainless steel and treated with a Melonite QPQ finish for outstanding corrosion and wear resistance, this adapter provides a solid, reliable suppressor mount. The 13.5x1 left-hand thread pattern ensures a secure, wobble-free fit for a cleaner and more consistent suppressed shooting experience. Product Highlights HK-pattern 3-lug interface compatible with any 3-lug silencer built to this standard Constructed from durable stainless steel for long-lasting strength and reliability Melonite QPQ finish delivers superior corrosion resistance and surface hardness Left-hand 13.5x1 LH thread pattern for secure and stable suppressor attachment Compatible with Griffin Armament 3-lug interface assemblies for seamless integration Specs Brand: Griffin Armament MPN: 3L1351LHSIG UPC: 689396838901 Caliber: 9mm Luger (9x19 Parabellum) Thread Pattern: 13.5x1 LH Material: Stainless Steel Finish: Melonite QPQ Width: 2.5" Length: 5.7" Height: 0.7" Weight: 0.1 lbs 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. ]]>