STEP BY STEP AR 15 UPPER ASSEMBLY: How to build an AR 15 upper receiver

In this step by step AR 15 upper assembly video, I walk you through how to install the upper parts in the upper receiver. This how to build an AR 15 upper receiver video will walk you through concepts like properly installing a barrel step by step with high-resolution pictures so you can see what is going on.

This video features an AR 15 Rifle, however, the same procedures will work with an AR 10.

Watch next:
STEP BY STEP AR 15 UPPER DISASSEMBLY: Learn how to disassemble AR 15 upper receivers - https://www.youtube.com/watch?v=Z597Xwr4vqg&list=PLLlRzRtKJRqMYz_6z0g_KOhOecEGBPSOo&index=6
COMPLETELY DISASSEMBLE AN AR LOWER - Step by step AR 15 Disassembly - https://www.youtube.com/watch?v=tzsOKTfEwK0&list=PLLlRzRtKJRqMYz_6z0g_KOhOecEGBPSOo&index=9

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Video index:
Intro - 0:00
How to assemble the AR 15 forward assist - 0:02
How to install the AR 15 forward assist - 1:36
How to install the AR 15 dust cover - 2:51
How to assemble the AR 15 barrel nut assembly - 4:00
How to install the AR 15 barrel - 4:52
How to install the AR 15 gas tube and gas block - 8:38
How to install the AR 15 flash hider - 11:50
How to install the AR 15 bolt carrier group - 12:42
How to install the AR 15 upper onto the AR 15 lower - 13:47
How to install the AR 15 handguards - 14:20
How to install the AR 15 carry handle - 15:40