Fully Assemble AR15 (BCG, Charging Handle, Upper and Lower on Aero Precision)

Published on February 11, 2023
Duration: 3:46

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.

Quick Summary

Learn the final assembly steps for an Aero Precision AR-15, including installing the Bolt Carrier Group (BCG), Aero Precision Breach charging handle, and Magpul MOE stock. The guide emphasizes proper receiver joining, function checks on triggers like the Rise Armament 3.5 lb model, and crucial live fire testing for reliability.

Chapters

  1. 00:00Introduction & Component Layout
  2. 00:19Magpul MOE Stock Installation
  3. 00:37Upper and Lower Receiver Assembly
  4. 00:58Charging Handle and BCG Insertion
  5. 02:02Final Build Specs & Function Check
  6. 03:14Live Fire Testing

Frequently Asked Questions

What are the key steps for assembling an AR-15's upper and lower receivers?

To assemble the AR-15 receivers, first push out the takedown pins. Then, align the upper and lower receiver halves, and snap them together. Finally, reinsert the takedown pins to secure the assembly.

How do you install the Bolt Carrier Group (BCG) and charging handle on an AR-15?

The Aero Precision Breach charging handle is inserted first. Subsequently, the Bolt Carrier Group (BCG) is slid into the upper receiver, ensuring it is correctly seated before closing the receivers.

What is the purpose of a function check after assembling an AR-15?

A function check, like verifying the Rise Armament trigger's reset and pull weight, ensures the firearm operates correctly and safely before live fire. It confirms proper engagement of internal components.

What components are essential for the final assembly of an AR-15?

Essential components include the upper and lower receivers, Bolt Carrier Group (BCG), charging handle (like the Aero Precision Breach), buffer tube, and stock (such as the Magpul MOE). A muzzle device like the Gamma 556 is also installed.

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