This is a Carbon Fiber 3 Position Super Safety, this device actively resets the trigger from the Bolt carrier group using the lever that is on the cam. When installed and tuned correctly it will allow faster follow up shots, this is not a Machine Gun Conversion device. This is classified as a ATS ( Active Trigger System ) it is designed by Hoffman Tactical, I do not claim to be the creator. You can find many of help on YouTube how this works and how to install it to make it run.

Items in each kit

1-Carbon Fiber Cam

1-Carbon Fiber Lever