When I was at my local small gun shop yesterday, the shop was full and the owner was selling everything as fast as he could ring it up. He told me he was on the phone reordering several times a day. He said it had been that way for the last month.
Strange thing is all the business is in handguns, 12 ga. 18" home protection pumps, AK-47's and AR-15's. This is the start of hunting season here and 99% of his business for the last 20 years has been in hunting shotguns and deer rifles.
You don't have to be a rocket scientist (or a MoCo engineer) to figure this out.