Precision Cleaning Tool that Will Answer All Your Needs Springfield, Massachusetts. August 28, 2017. It’s time to improve your relationship with your AR-15. If you’ve found cleaning your AR-15 nearly impossible, you’re in luck. Kittery Trading Post has expanded their inventory to carry Swab-its® Star Chamber Cleaning Foam Swabs™. These swabs will drastically improve your relationship with your AR-15 by allowing you to clean in and out of the star chamber. No more picking out lint and losing patches inside the chamber. Pick up a package today and make your...