My agency was unable to acquire 147gr HST this ammo cycle. We are confidently carrying 124gr HST. With that being said, I think the last part, and often overlooked part of Doc's list is equally important. Here it is:
The keys are:
-- Cultivate a warrior mindset
-- Invest in competent, thorough initial training and then maintain skills with regular ongoing practice
-- Acquire a reliable and durable weapon system
-- Purchase a consistent, robust performing duty/self-defense load in sufficient quantities (at least 1000 rounds) then STOP worrying about the nuances of handgun ammunition terminal performance.