I use the Comptac Infidel holster (Kydex). Holster covers the magazine release well with a fair amount of space, unlikely it will ever contact or release in the holster.
I didn't like the sound of a kydex IWB until I tried one a year ago, haven't touched my leather IWBs since.
l've heard police work is dangerous. Yes, that's why l carry a big gun. Couldn't it go off accidentally? l used to have that problem. What did you do about it?
l just think about baseball. -Leslie Nielsen