Well dang, thought you used fishing rod pieces for that.
Good point on relieving behind the tang if necessary. Fixed a Browning BPS in 10 ga. with a chip out behind the tang. The gunsmith (used loosely) who did the original repair pinned it with fugly unstained light wood and didn't relieve behind the tang and so it was my turn. All I needed to do was glue the chip, fill the pin holes, and relieve the tang. I know who has it and the repair has been holding for years.
An old shotgun, guessing it's wood shrinkage with age (
) but don't really know. Anyway I've seen quite a few old ones too tight in the rear.
Oh yeah, epoxy quality. Word was from a source I don't remember but seemed credible at the time is that out of date and batches of components that didn't quite meed specs gets sold off cheap and repackaged as brand X (China?). Never had a problem with name brand off-the-pegboard epoxy but interesting times with brand X. Fortunately where it didn't matter.