I purchased some .45ACP ammo like the bullet on the right from Shomer-Tec back in the 1990's. After my informal testing, I decided it was only a gimmick (i.e. did not penetrate any deeper than a JHP, did not expand at all). I may still even have some, I'll have to look when I get a chance.
Lessons cost money. Good ones cost lots. -Tony Beets