I have assembled about 12 so far. just me but I can't bring myself to call it building when I am just putting parts together.
there are more how to videos on you tube then you could view in a life time.
I have put together 8 .223/556's , 1 458 socom, 3, 7.62x39's, so far.
right now on PSA they are having some sweet sales.
would suggest you put together a pistol right off the bat. you are going to want one before very long so get it done .
I have a cart full of parts right now to put together a 300 blk pitol. just have to pull the trigger so's to speak.

the consolidation of the states into one vast republic, sure to be aggressive abroad and despotic at home, will be the certain precursor of that ruin which has overwhelmed all those that have preceded. Robert E Lee
~Molɔ̀ːn Labé Skýla~