Do all 9mm Glock model 17 & model 18 mags work on model 19?
Yes but it'll stick out, it will also work on the 26Do all 9mm Glock model 17 & model 18 mags work on model 19?
There are a few problems with this graph. For example, the glock 27 mags go up to 31 or whatever. In almost all cases, as long as you keep the same caliber the mag will work. Also john is right all 4th gen mags work in 3rd, but 3rds dont work in 4ths if you switch to a left side mag release.