I actually may use the 1911 as my HD once everything is up and running. Been watching ballistic HP test with 45 Gold Dot or Federal HST. Testing HD ammo that I plan to use will be buku dollahs. And see which I'm more accurate with, 9 vs. 45.
1 thing that bothered me about 9mm Gold Dot or FST is that the penetration in the gel are both around 16 inches. Which is an acceptable standard. The issue is that I live in a condo, so besides the load bearing concrete pillars, everything else is drywall. So for a center mass, perfectly standing target, that;'s only like 8 inches of things the HP would go thru. Granted the gel test often don't factor in bone, I think that a 9mm would still over penetrate for my situation.
The exception is a 9mm in less than 100gr, like 96gr. Then it's like 11 inches. But those are harder to come by in HI.
With the 45 HP, the average that was on YT is about 13 inches in gel for Gold Dot or FST.
So since the above mentioned mag cap, the real downside would be the confiscation for evidence of an expensive pistol. And not like a VP9 that can be re-purchased easier and for cheaper.
I lost the link, but Lucky GUnner had an entire webpage of various HD ammo and it's gel vids. It was saved on my old phone. Haven't googled it yet.