I talked this over with ATM who stated that this would be worthy of a new thread. I carry an AR at work. I carry it in "cruiser safe" mode. None in the chamber and the safety on. Everytime I chamber a round, it leaves a small dent on the primer. I have to chamber a round at least once a week. I then started to rotate my rounds. When I approached the range instructor, I found out that I am not the only one experiencing this problem no matter which brand. I had this sinking feeling that one of these times it will discharge. The instructor went as far as running the same round through his at least 200 times, no discharge. Is there anyone els experiencing the same problem or have any malfunctions? Please don't think of me as stupid, just cautious.