How to swap an AR-15 dust cover without losing the C-clip
Replacing an AR-15 dust cover is one of the easiest upgrades on the rifle, except for one tiny part. Tactical Retailer walks through the job step by step, and the hard part is the 1/8-inch C-clip that holds the hinge rod in place.
The short version
Aftermarket dust covers don't improve accuracy or speed, but thousands are sold every year, often as gifts with custom finishes or messages. Most of the swap is simple. The trouble is the small C-clip on the hinge rod, which can launch across the room in unpracticed hands, so the article suggests gun shops offer installation, and notes an inexpensive purpose-made tool keeps the clip captive.
The process starts with safety: point the rifle in a safe direction, engage the safety, remove the magazine, and confirm the chamber is empty. With the ejection port up and eye protection on, push the rod toward the muzzle to expose the clip, close the cover, then work the clip off with needle-nose pliers or tweezers. Slide the rod out while holding the spring, fit the new cover, reinstall the rod partway, and set the spring.
Key points
- Protect the finish: Tape the forward assist so tools don't scratch it.
- Clip removal: Rotate the C-clip so its opening faces down before pulling it off.
- Orientation: The side of the new cover with the clip groove goes in first.
- Spring tension: Turn the spring's long leg a full 360 degrees clockwise so the cover snaps open when firing.
- Last step: With the cover closed, press the new C-clip into the rod groove and check the cover opens with the charging handle.
Bottom line
If you received a custom dust cover and have been putting off the install, it is quick work with the right tool. If the C-clip has already gone missing, the article says an experienced shop can finish the job in a minute or two.
Source: Tactical Retailer.