We begin with the buttstock.
Onto which, the lower is installed.
Then, we install the handguards, and fasten the mounting bracket. Make sure to apply some thread locker to these.
This is what it looks like with the topcover and feed tray installed. To foreshadow a little bit, the top cover will need a little bit more fitting, but this will only be realized later.
And after all that work, here is what we finally get:
Some closeups of the individual builds: