This will seal the deal on one or the other for you Michael : http://aliengearholsters.com/blog/glock-26-vs-glock-43/

I have the G43 as well as the G19 Gen 4. Originally I choose the G19 over the G26 because for me the grip is too short on the G26. I purchased the G43 as I had an opportunity to pick it up at a highly discounted price. While the G43 is a nice small handgun, the G19 is far superior in feel, capacity and longer sight picture (which in turn makes it more accurate than the 43). My recommendation is, if you are dead set on a Glock for concealed carry, go with the G19 over the G43 or G26. It is the most popular, and most carried concealed carry handgun in the world and for good reason.

I prefer the 43 for carrying concealed.

Neither, Id go with the high perfomance S&W shield 9mm or 45

Here are the best CCW glocks - youtube.com/watch?v=lePyjXpHjms

I would see if any ranges around you have them to rent. if so go try them and see which one you shoot best. You can carry either with no problems

The 26 is a great CCW firearm

I would choose the 26 between the two but the 19 isn’t much larger and is about the perfect size for carrying.