One indisputable effect of boattailed bullets is an increase in throat erosion, due to hot powder gas slipping by the tapered tail. This has been documented numerous times in military research...
I must admit I don't visualize this one. Is it a matter of the shorter shank exposing the throat sooner, or does the shorter shank permit more blow by early on, or does the boat tail deflect the early blow by more vigorously onto the throat, or ...
How strong is the effect, say in terms of % reduction in number of rounds fired before accuracy is affected?
(Thanks for the article.)
