Most of us probabaly don't have access to chamber pressure testing machines. Some, myself included, suspect the published figures and the motives of ammunition producers and gun rag authors of the 60s, 70s, 80s, 90s
Just going by relative 'feel', 'sound', apperance, and how vigorus a given pistol slings different flavors of brass seems to be about the best guesstimation yardstick availabe.
With that bit of warped reasoning in mind, the Federal 9 BP LE +p+ seems milder than some std velocity rounds. Thats in the same Mk 3 European trade-in BHP, a 228, and a K9.
It may be a good thing that I can't afford to shoot a gawdawful bunch of the 9BPLE, but, so far,there haven't been any signs of battering and no sheared extractor hooks.
Bread and Circuses don't pay the Bills.