Round Post M-LOK The Round Post M-Lok or RPM mounts to the M-Lok slot on the forend of your rifle stock or any other piece of gear with an M-Lok slot or similar hole spacing. Once attached to your rifle or other equipment, it connects to any Lock or Grip On families. ROUND POSTS Mounts to M-lok rail. M-lok hardware is included. Connects to Lock family Connects to Grip On family
