PA allows both open and concealed carry, with a permit required for each. I open carried on my nursery/gdn ctr, but I wouldn’t do it publicly, and only carry concealed. I carry a full-sized Kimber 1911 .45cal ACP w/ 230gr HPs.
Have you tried Glaser Safety Slugs? They are real Dracula killers, and since most R/T gunfights are at conversation ranges...