I am loathe to send any gun anywhere these days, and especially one that shoots well. With my one rifle that popped occassionally I did stone the shelf and got in the habit of wiping the shelf clean before and after use (redundant, I know, but it works for me) and when closing I do so briskly. Now I know the sound and feel of it locking up well and through use it has become much better. In fact, I cant remember it popping open for a fair long time. I suspect that a tight headspace gun (a good thing) may do this when new more than a loose headspace gun.
Snap it closed with some vigor, it wont hurt it.