Griffin Armament 3L1351LH 3-Lug 9mm Luger M13.5×1 LH tpi 17-4 Stainless Steel Black Melonite QPQ

This 3 Lug adapter features a HK pattern and will work with any 3 lug silencer on the market made to this standard. It will also work with Griffin 3 lug interface assemblies.