So, you finally bought a stripped lower receiver and all the goodies that go along with it.
You excitedly tore open the box and checked to make sure we shipped you all the parts you needed to put together your first AR lower. You glare at the pile of parts and think to yourself, “now what?”
Last year, we produced a series on how to put together the complete AR-15 lower receiver. As most of you know, the lower receiver houses the magazine catch, bolt catch, pivot pin, fire control group, trigger guard, selector, grips, pins and the buffer tube. We still field a ton of questions about how to put these parts together, so we thought a rehash was in order. Installing these parts is fairly simple, and most people can do it without too many issues. However—when working on any firearm—if at anytime you feel you aren’t sure about what you are doing, take it to a qualified gunsmith.
Step 1: Installing the Magazine Catch
Step 2: Installing the Bolt Catch
Step 3: Installing the Pivot Pin
Step 4: Installing the Fire Control Group
Step 5: Installing the Trigger Guard
Step 6: Installing the Selector and Pistol Grip
Step 7: Installing the Takedown Pin and Buffer Tube
Hopefully, this clears up some of the confusion. Once you do this a few times, most of the steps will become second nature. Stay tuned for more posts on AR builds. We’re going to pull some parts from the warehouse so we can throw together some uppers and barrels to see what we can come up with!
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