Fully Assemble AR15 (BCG, Charging Handle, Upper and Lower on Aero Precision)
This guide details the final assembly of an Aero Precision AR-15 build, covering stock installation, receiver joining, and the insertion of the charging handle and BCG. It includes a function check of a Rise Armament 3.5 lb trigger and emphasizes live fire testing for reliability. The instruction comes from Brian at 1st Shot Tactical, demonstrating a high level of practical expertise in firearm building.













