One of my Fraternity Brothers is a big guy as well and he conceals a Glock 22 just by ordering big and tall sized shirts online and let's the shirt tail hang out.
I actually did that too, cause I'm on the tall side and prefer a longer shirt for concealing when it is 95 degrees in the shade.
NRA Life Member
Big Sister: "Everyone in America is fine with the .30-30, except Mack. He has to shoot that .35 because that extra point zero fives inches will matter on Bigfoot."