Dis-assembly, the trigger group is removed just like any other Remington 870/1100, just push out the two pins.
The stock had two holes, one for the bolt and the other for???
In this picture you can see the action bar where it attaches to the piston (which is mounted in the front portion of the magazine, which is why the magazine only holds two rounds.
The trigger housing is aluminum and the finish looks horrible, since I have not tried anodizing yet and a polished housing would look good on this gun, I decided to strip and polish it
OK now what? I guess I need to take this mess of parts and make a working trigger mechanism out of them