How To Build Lower Ar 15?

How to Build a Lower AR-15

The AR-15 is a popular rifle for a variety of reasons. It’s lightweight, accurate, and easy to shoot. It’s also relatively inexpensive, making it a great option for first-time gun owners.

If you’re interested in building your own AR-15, you’ve come to the right place. In this article, we’ll walk you through the process of building a lower AR-15. We’ll cover everything from choosing the right parts to assembling the rifle.

So if you’re ready to learn how to build a lower AR-15, keep reading!

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Step Instructions Tools
1 Assemble the lower receiver
  • AR-15 lower receiver
  • AR-15 lower parts kit
  • AR-15 buffer tube
  • AR-15 buffer spring
  • AR-15 buffer
  • AR-15 takedown pin detent
  • AR-15 takedown pin spring
  • AR-15 bolt catch
  • AR-15 bolt catch spring
  • AR-15 magazine catch
  • AR-15 magazine catch spring
  • AR-15 hammer
  • AR-15 hammer spring
  • AR-15 trigger
  • AR-15 trigger spring
  • AR-15 disconnector
  • AR-15 disconnector spring
2 Install the trigger guard
  • AR-15 trigger guard
  • AR-15 trigger guard roll pin
3 Install the hammer and trigger
  • AR-15 hammer
  • AR-15 trigger
  • AR-15 hammer pin
  • AR-15 trigger pin
4 Install the disconnector
  • AR-15 disconnector
  • AR-15 disconnector pin
5 Install the bolt catch
  • AR-15 bolt catch
  • AR-15 bolt catch pin
6 Install the magazine catch
  • AR-15 magazine catch
  • AR-15 magazine catch pin
7 Install the buffer tube
  • AR-15 buffer tube
  • AR-15 buffer tube castle nut
  • AR-15 buffer tube end plate
8 Install the buffer spring and buffer
  • AR-15 buffer spring
  • AR-15 buffer
9 Install the takedown pins