How to Assemble a AR-15 Lower Receiver
Assembling an AR-15 lower receiver is a fundamental skill for anyone interested in firearms. The lower receiver is the part of the rifle that houses the magazine, trigger, and bolt. It is also the part that is often serialized and requires a background check to purchase. This article will guide you through the process of assembling a AR-15 lower receiver, step by step.
Materials and Tools
Before you begin, gather all the necessary materials and tools. You will need the following:
– AR-15 lower receiver
– Magazine catch
– Trigger assembly
– Hammer
– Bolt carrier group (BCG)
– Firing pin
– Spring
– Buffer tube
– Buffer
– Pistol grip
– Stock
Additionally, you will need the following tools:
– Screwdriver
– Hex wrench
– Mallet or hammer
– Allen wrenches
Step 1: Install the Magazine Catch
Start by inserting the magazine catch into the magazine well of the lower receiver. Ensure that the magazine catch is seated properly and that it clicks into place. Use the provided screw to secure the magazine catch to the lower receiver.
Step 2: Install the Trigger Assembly
Next, insert the trigger assembly into the trigger slot. Make sure that the trigger and hammer are aligned with the corresponding slots. Secure the trigger assembly using the provided screw.
Step 3: Install the Hammer and Firing Pin
Attach the hammer to the trigger assembly. Position the firing pin over the hammer and spring. Ensure that the firing pin is seated properly and that the spring is in place to hold it in position.
Step 4: Install the Bolt Carrier Group
Place the bolt carrier group into the lower receiver. Ensure that the BCG is seated properly and that the firing pin is aligned with the hammer. Use the bolt carrier group pin to secure the BCG to the lower receiver.
Step 5: Install the Buffer Tube and Buffer
Slide the buffer tube into the lower receiver and secure it with the provided screw. Insert the buffer into the buffer tube, ensuring that it is seated properly.
Step 6: Install the Pistol Grip and Stock
Attach the pistol grip to the lower receiver by inserting it into the buffer tube. Secure the grip with the provided screw. Finally, install the stock onto the lower receiver.
Conclusion
Assembling an AR-15 lower receiver is a rewarding task that can be completed with the right tools and guidance. By following these steps, you can ensure that your lower receiver is properly assembled and ready for use. Always remember to follow safety guidelines and local laws when handling firearms.