For over a year now, I have purchased, tried on, or at least looked at Tactical vests, ballistic vests, plate carriers, modular vests, armored vehicle crew flak vest... Most are too narrow in the shoulders, some are too long, or not enough coverage on the sides, plenty of other problems.
So far, the closest I have come is Blauer Armor Skin tac vest, but they run HUGE and take weeks to arrive. They run almost as much as a custom Mando vest. I bought my size based on their own chart (XL-Xlong) but it's way too big, even if I was using it as it was intended. I ordered a second one too sizes smaller and shorter. it finally showed up tonight. This one is about right in width but stops just above my belly button. maybe one size shorter instead of two would be better.
For As many of these as I have bought, I could have Just had a custom Mando vest made to my exact specifications, and then still have $$ for a MoW jet pack! Well, actually, I did try that route, but anyway...
I think the big advantage of the tac vest is all the attachment options. If I use the Blauer vest, I will try attaching MOLLE straps to the plates.