Just finished putting together my first AR. Built on a budget.
MEGA Machine shop forged upper and lower
Dpms Lower kit
three position butt stock bought from a friend
charging handle and forearm donated by same friend from his "PARTS BOX"
NcStar carry handle and flip up front sight
Gas block and gas tube purchased from local gun store used parts box.
BCG new from local gun store
Daniel Defense 16" chrome lined 1 in 7 from Brownells
Standard flash hider.
Came in under $700 so I'm happy.