Nothing is wrong with the either of my sigs. They are my favorite guns I’ve shot so far. I just want to expand my collection and do not like the 320 platform. I’ve owned a Glock 43 a few years back and liked it, just got tired of the small capacity. Being on this platform for the past month has grown my interest in Glocks again.What is the issue with the 365 that has you looking at the 43X? I feel they both fill the same role.
I’ve carried a G45MOS everyday for over a year now. I‘ve carried full sized guns for a long time. have no issues concealing one in the appendix position. I actually use a G34 holster and it conceals the same. It’s all about the right belt and holster combo. I conceal it with a Polo shirt.
I really like the G45, particularly running an optic. I compete in Glock only competitions (GSSF) I’ve been competing with one in an optics division for about 17 months now. I recently moved to an iron sight G45 instead of a G17 in a couple of divisions requiring iron sights. In several back to back tests, I can make my target transitions very slightly quicker than the G17. My splits on doubles and controlled pairs are slightly quicker with a G45 and G47 than the G17.
I own a 365, a365xl, 43, 43x, 48 and 19. But I choose to carry what I shoot the best and conceal. The others haven't been carried in a long time.
I recommend staying away from most customizations of a carry gun. I see tons of Glocks being shot every year as I RO at the matches. And most of actual gun issues is related to modifications. Second only to poorly reloaded ammunition. People spend a lot of money on aftermarket mods to screw up a perfectly serviceable Glock.
I would have recommended Milling a slide to get the optic lower not to far back, but I’m really a fan on the more recent released Holosun SCS, that fits right to the MOS pattern without a plate or adapter. They obtain a lower 1/4th cowitness to factory height sights.