Uncle Mike's IWB fit for Glock 27

[jcal0820]

I recently bought an Uncle Mike's IWB holster for my Glock 27, size 12 as recommended by manfacturer's chart. It's a real tight fit, and I worry that the pistol might fall off if I was running/moving quickly since it rides so high above waistline and the tight fit almost feel like it may "cinch" the gun out (no thumb break or retention click on these base IWB holsters from Uncle Mikes).... anyone else with this holster have similar issues?? Are my concerns not really legit?

[Spaceghost]

No experience with the holster in question, but this is what I would do if I were in your boots. Put your rig on and go somewhere private and do everything you think might make the gun fall out. If it doesn't, the holster is a keeper. If it does, wait a while for this thread to die and then sell it.