So i know that alot of people ask what is the best AR-15 and the question is really subjective. I am just getting into AR's and was now gonna purchase myblack rifle. i want to build it from scratch thou so here is my question. What are some of the best upper and lowers i can slap together. All i want for now really is a upper, lower and fold up front and rear sight. We're talking Wilson Combat and Larue Tac quality. Please help me since i want to purchase soon. All advice is very much appreciated Wanna kill these ads? We can help!