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Ar 15 Field Strip Reassembly: A Step-by-Step Guide
Reassembling an AR-15 is a task that requires precision and attention to detail. Whether you’re a seasoned gunsmith or a beginner, understanding the process can help ensure a smooth and safe reassembly. In this guide, we’ll walk you through the steps involved in field stripping and reassembling an AR-15 rifle.
Step 1: Unloading the Rifle
Before you begin, it’s crucial to ensure the rifle is unloaded. Remove the magazine and check the chamber to confirm there are no rounds present. This is a safety precaution that should never be overlooked.
Step 2: Removing the Bolt Carrier Group
The bolt carrier group (BCG) is the heart of the AR-15’s gas system. To remove it, follow these steps:
- Locate the takedown lever on the left side of the rifle.
- Push the takedown lever forward and rotate it 90 degrees to the left.
- With the takedown lever in the locked position, pull the bolt carrier group forward and lift it out of the receiver.
Step 3: Removing the Upper Receiver
Once the BCG is removed, you can proceed to remove the upper receiver. Here’s how:
- Locate the receiver pin at the front of the upper receiver.
- Use a punch or the receiver pin punch provided with your rifle to push the pin out of the receiver.
- With the pin removed, gently pull the upper receiver away from the lower receiver.
Step 4: Cleaning and Inspecting the Parts
Before reassembling, it’s essential to clean and inspect all the parts. Here’s what to do:
- Use a cleaning solvent to clean the BCG, bolt, and chamber.
- Inspect the parts for any signs of wear or damage.
- Check the chamber for any obstructions or fouling.
Step 5: Reassembling the Upper Receiver
Now that the parts are clean and inspected, it’s time to reassemble the upper receiver. Follow these steps:
- Insert the bolt into the BCG and ensure it is fully seated.
- Insert the BCG into the upper receiver and align the takedown lever with the slot in the receiver.
- Push the takedown lever forward and rotate it 90 degrees to the right to lock it in place.
Step 6: Reassembling the Lower Receiver
With the upper receiver reassembled, you can now focus on the lower receiver. Here’s how to do it:
- Insert the magazine release spring and plunger into the magazine release slot.
- Insert the magazine release button into the spring and plunger.
- Insert the trigger group into the lower receiver and ensure it is fully seated.
- Insert the hammer, trigger, and safety selector into the trigger group.
Step 7: Reassembling the Rifle
With the lower and upper receivers reassembled, it’s time to put the rifle back together. Follow these steps:
- Insert the upper receiver into the lower receiver and align the receiver pin with the hole in the lower receiver.
- Use the receiver pin punch to push the pin back into place.
- Insert the bolt carrier group into the upper receiver and ensure it is fully seated.
- Insert the magazine and check the rifle for proper function.
Step 8: Final Inspection
After reassembling the rifle, it’s essential to perform a final inspection to ensure everything is working correctly. Here’s what to check:
- Check the magazine release for proper operation.
- Ensure the bolt carrier group moves smoothly.
- Confirm the rifle is fully loaded and ready to fire.
By following these steps, you can successfully field strip and reassemble an AR-15 rifle. Always remember to prioritize safety and take your time to ensure a proper assembly.
