First things first. As with any firearm, before you begin cleaning your AR, be sure to clear your rifle.
- Drop the magazine.
- Open the chamber.
- Visually inspect to ensure there are no rounds loaded.
Now, let’s start cleaning!
Follow These Basic Steps:
- Start with a clear and safe firearm
- Pull back on the charging handle
- Push the bottom of the bolt release to lock the carrier to the rear
- Visually and physically inspect the chamber
- Push the top of the bolt release to release the bolt
- Place on safe
- Use a non-marring tool or your fingers to push out the pin
- Separate the upper and lower
- Pull the charging handle partially out and remove the bolt carrier group and then the charging handle—the charging handle has little ears that have to fit through the cut slots in the upper receiver
- Field strip the bolt
- Push out the cotter pin
- Remove the firing pin
- Rotate the cam 90 degrees and remove
- Pull the bolt out of the carrier
- Push out the ejector pin
- Separate the ejector from the bolt
- Wipe down the firing pin, ejector pin, cotter pin and cam with a rag
- Use a nylon brush to scrub the bolt ejector and carrier, then wipe down with a rag
To Reassemble The Bolt:
- Place the ejector into the bolt and return the pin
- Place the bolt inside the carrier; be sure the bolt is correctly oriented with the ejector facing the ejection port
- Return cam and rotate 90 degrees
- Return firing pin and cotter pin
- Take your nylon brush and scrub around the gas tube area
- Use a cotton swab around the gas tube
- Scrub inside the receiver and wipe down with a rag
- Using a chamber brush insert into the chamber and turn multiple times
- With a .22 barrel brush, use a chamber swab to clean the locking lugs
- Pull the oiled barrel brush through the barrel always pulling the direction the rounds travel
- Pull an oiled patch through the barrel after the first patch continue pulling dry patches until they are clean
- Push down the butter retainer and remove the buffer and spring
- Wipe down the buffer and spring
- Use a nylon brush to scrub the lower then wipe down with a rag
- Return the buffer and spring
- Wipe down charging handle
- Insert bolt carrier group with the bolt extended
- Reassemble and do a function test
Do you have any AR cleaning tips? Share them with us in the comment section.