Guntec USA's Gen 3 ejection port dust cover closes the ejection port on an AR-15 upper to keep dirt and debris out of the action when the rifle is not firing. The rainbow PVD coating gives the right side of the upper a bright, multi-color accent. It replaces a standard dust cover.
- Fits: AR-15 upper receivers
- Style: Gen 3 ejection port dust cover
- Finish: rainbow PVD coating
- Made in the USA
