Watch the video posted above, but you can also search ammo tests on Youtube with the Shield, P365, Hellcat, Glock 43, etc. They all have the same barrel length.
I run 124/147 grain HST in my Shield Plus and P365.
Faith is the great cop-out, the great excuse to evade the need to think and evaluate evidence. Faith is belief in spite of, even perhaps because of, the lack of evidence.- Richard Dawkins