How To Remove an AR15 Firing Pin
How To Remove an AR15 Firing Pin
To disassemble the firing pin, we would have to go through some steps and reach the bolt carrier group.
Find an open space to work with
Remove the magazine and empty the chamber
Pull the bolt back all the way with the charging handle and holt it while looking into the action to visually check that there are indeed no rounds in the chamber.
Removing the Rear Take-Down Pin
There are 2 pins holding the upper and lower receiver, the one that is toward the rear of the rifle is the one that will be removed and is called the rear take-down pin.
Make sure the bolt is in the forward position and remove the rear take-down pin by pushing the small end in with your finger, then pull the other, bigger, end out. The pin should not come all the way out so you have to pull it out completely to separate the lower and upper receiver and should be hinged by the forward take-down pin, which is the second pin.
Removing the Charging Handle and Bolt Carrier Group
Slowly separate the upper and lower receiver just in case any parts came loose and may fly out. You can leave the forward take-down pin and pivot it open.
Next, slowly pull the charging handle back, while the upper and lower receivers are separated, about half-way, then pull the bolt carrier group out and set it aside.
Disassembling the Bolt Carrier Group
Now we can begin the process of removing the Firing Pin. First, remove the retaining pin. The retaining pin is the pin that has a little loop in it that you can grab with your fingernail it keeps the firing pin from falling out. The retaining pin is located near the rear of the BCG inside of a little indent in the bolt carrier. If you are unable to pull the pin out with your finger nail, you can use an object with a small tip to pull it out, such as a small Allen key.
After removing the retaining pin, just tip the BCG backwards and the firing pin should slide out, in some cases there may be too much carbon build up on the firing pin and it may not slide out, in which case you can pull it out with your finger or pry it out.
There you go, you’ve successfully removed the Firing Pin, good job!
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