Benelli M4 Receiver Extension Removal
This tutorial is to show how to disassemble any of the Benelli M4 receiver extensions.
There is a lot of misinformation out there regarding disassembly of the Benelli M4’s receiver extension. Benelli USA will tell you that you will destroy the aluminum receiver if you attempt to remove the receiver extension. This is false. The receiver extension is installed with a green thread locker at the factory. In my experience, this th