FAQ – Questions & AnswersCategory: AR-15 FAQHow to change gas block on AR15?
Jordan asked 4 months ago
What tools to remove the gas block on the AR-15?

5 Answers
Jordan Staff answered 4 months ago

There are a few different ways that you can go about changing the gas block on an AR-15:

  • You can remove the barrel from the upper receiver and then remove the gas block from the barrel.
  • You can remove the rail system from the upper receiver and then remove the gas block from the inside of the upper receiver.
  • You can remove the front sight post from the barrel and then remove the gas block.

Once you have removed the gas block, you will need to insert it into the opposite end of the barrel and then secure it in place with either screws or set screws. Be sure to tighten these screws or set screws firmly so that they do not come loose during use.

Once you have installed the new gas block, you will need to reinstall the barrel onto the upper receiver. You may also need to adjust the gas tube so that it is properly aligned with the new gas block. After everything is installed and tightened down, you should test fire your AR-15 to make sure that everything is functioning properly.

We also recommend watching a video on the subject of your question

Lewis Staff answered 4 months ago
To replace the AR-15 gas block:

  • you can use a vise block
  • you can use a rail system

If you’re using a vise block, you’ll need to first clamp the rifle in place. Next, you’ll remove the front sight post and then unscrew the gas block from the barrel. Be careful not to lose any of the small screws or pins that hold the gas block in place.
 
How to change gas block on AR15?
 
If you’re using a rail system, you’ll need to first remove the top rail section by loosening the screws that hold it in place. Next, you’ll remove the front sight post and then unscrew the gas block from the barrel. Be careful not to lose any of the small screws or pins that hold the gas block in place.
 
How to change gas block on AR15?
 

Olson Staff answered 4 months ago

1. First, make sure the firearm is unloaded.

2. Then, remove the handguard.

3. Next, remove the front sight post and detent spring.

4. After that, unscrew the gas tube nut and pull out the gas tube.

5. Finally, remove the gas block retaining pin and lift out the gas block.

To install the new gas block, do everything in reverse order (step 5 to step 1)

We also recommend watching the video

Ivan Staff answered 4 months ago
You can replace the AR-15 gas block in the following ways:
1. The first option is to remove the barrel from the upper receiver and then use a vise block to secure the barrel in place. Next, use a wrench to loosen and remove the old gas block and then install the new gas block using a vice and/or wrench.
2. The second option is to remove the upper receiver from the lower receiver and then use a vise block or clamp to secure the upper receiver in place. Next, use a wrench to loosen and remove the old gas block before installing the new one. Finally, reattach the upper receiver to the lower receiver.
3. The third option is to leave both the upper and lower receivers attached and use a gas block clamp tool to secure the gas block in place while you remove the old one and install the new one.
How to change gas block on AR15?

Cruz Staff answered 4 months ago

1. To change the gas block on an AR-15, you first need to remove the barrel. To do this, loosen the barrel nut using a barrel nut wrench.

2. Once the barrel nut is loose, use a vice grip to hold onto the barrel and unscrew the barrel from the upper receiver.

3. Once the barrel is off, remove the delta ring and handguard retaining clip. The gas block can now be removed by unscrewing it from the front sight base.

4. Install your new gas block by reversing these steps. Make sure to torque the barrel nut to specifications to ensure a tight fit.