How to assemble the upper receiver on your own AR-15 rifle

Follow some expert gunsmiths at Brownells as they walk you through simple procedures for customizing, repairing, and maintaining your firearms. This weapons video tutorial series will teach you how to assemble the upper receiver on your own AR-15 rifle.

The AR-15 is one of the most adaptable rifle platforms in history, and building one is easier than you think. Brownells has produced a comprehensive series of easy to use web based video instructions on assembling an AR-15. They cover the all the parts, variations, subassemblies, tools and complete building of the rifle so you can feel confident to tackle this project on your own.

Broken down into short easy to follow video instructions for each step, you’ll be able to watch only those segments that pertain to your rifle and not be bogged down with a lot of extra details.

This section covers the assembly of the ejection port cover, the forward assist, the charging handle, the A1 sight and the A2 sight. They’ll provide you with some helpful tips and methods for function checking each subassembly as you build your upper receiver. Now that you’re ready to start building, it is important that you follow the order of assembly; this will avoid interference of parts, eliminate rework and allow for proper and cumulative function checking.

1. Assembling the Upper Receiver Introduction
2. Installing the Ejection Port Cover
3. Assembling the Forward Assist Plunger
4. Installing the Foward Assist
5. Installing A1 Sights
6. Installing A2 Sights

Search "AR-15" and start building, parts knowledge, get the right tools, free float barrels, charging handles, lower receiver, fixed buttstock and functions check on WonderHowTo to see more about building an AR15 gun.