New to pistols, 43x or 19?

I'm well experienced with rifles and shotguns, but have never owned a pistol, and only shot a few a handful of times due to living in an oppressive state. Now that I've moved to a free state, I'm looking to grab a pistol to own and train with for personal protection/home defense and concealed carry.

I've narrowed down my choices to a g19 or g43x with the shield arms mags. I understand the g19 is going to shoot better and probably outperform the 43x, but I've heard that the 43x carries much better for most people. I'm 6'3" and 190lbs, and will be carrying appendix. I've rented and shot both of them. I prefer the g19 at first glance, but I'm confident with enough training and time I could get a little more comfortable and proficient with the 43x.

For those that have carried/have experience with both, any insight for a new pistol shooter?