SilencerCo Octane 3-Lug Adapter
SilencerCo Octane 3-Lug Adapter, This simple push and twist mechanism mounts the Octane 9 HD or the Octane 45 HD (using 9mm) to an MP5 style 3-lug. Made with 70/75 aluminum and stainless steel and Type III hard coated for the finish. 9mm only.