G26: I mostly carry IWB, or in a Smartcarry, and I’m experimenting with a Miami Classic.
For OWB, I have a G19-sized RCS Phantom. It works well. But I rarely use it. If I’m going OWB, I usually carry a larger gun, and I don’t yet have a larger Glock. I have a JMCK OWB2 for my Beretta 92. 0 cant, used at 3:00. It carries very nicely. I imagine one would do well with a Glock.
I have never used a Glock brand holster.