Rugged Suppressors Obsidian9 3 Lug Adapter 1/2x28, Black Nitride - OA003

This 3 lug adapter is a muzzle device accessory designed for 9mm HK-spec suppressors and is compatible with the Rugged Obsidian9 3 Lug Mount. The adapter features a patented Go/No Go Gauge to confirm proper suppressor attachment. Installation requires red Loctite and 20-25 ft-lbs of torque; not compatible with .45 ACP.