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AR 15 Lower Disassembly Video


This video will show you how to assemble your AR 15 lower from to its individual components. This video is designed for people that need to assemble their lower from either repairs or for building a new rifle. Even though this video features an AR 15, what we show you also apply to the AR 10 lower as well. In fact, the AR 10 lower only has a few parts that are different but otherwise uses the same parts. 

AR 15 Lower Receiver Disassembly – Background Information

The Armalite Rifle 15 (AR 15) is one of the most popular modern sporting rifle. The AR 15 is used for target shooting, hunting and competition. Its modern look makes people think that this rifle is a complex design and hard to work on. Our video series will show you that these are fairly simple design which makes them easy to work on. This video series concentrates on the AR 15 but the same methods work on the AR 10 lower receiver as well.

Don’t forget to check out our AR 15 upper receiver disassembly, AR 15 upper receiver assembly AR 15 lower assembly  and AR 15 field strip videos.

AR 15 Lower Receiver Assembly – Learn More

If you want to learn more about the tools used in the AR 15 Videos visit If you need more information about troubleshooting visit our AR Troubleshooting Guide at

AR 15 Lower Receiver Assembly – Video index:

Checking for an unloaded firearm – 0:35

Removing upper receiver – 2:10

Removing the buffer and buffer spring- 3:17

Removing the magazine catch – 3:52

Removing the Pistol Grip and Selector – 4:45

Removing the hammer and trigger – 6:26

Removing the front takedown pin – 8:54

Removing  a collapsible stock and buffer tube – 10:11

Removing an A2 stock and buffer tube – 11:52

Removing the rear takedown pin – 13:44

Disassembling the collapsible stock – 14:22

Removing the trigger guard – 15:23

Removing the bolt catch – 16:39

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