I cleaned the garage today, and uncovered a box that hasn't been opened in at least ten years. I found these inside, with no recollection of what they are. If it helps, they were with some other miscellaneous AR-15 items. Thank you in advance.
In related news, I (obviously) don't need them. Maybe you do? Send me an offer.

In related news, I (obviously) don't need them. Maybe you do? Send me an offer.