For years I ran a Comp-tac OWB (Glock) or a Blade-tech (1911). At some point after I acquired both, comp-tac discontinued their holster and Blade-tech changed their design. Eventually my X200/X300s were replaced by X300u's, necessitating a new holster.
Attempts to locate or commission a similar holster design have been unsuccessful. I have tried a number of other manufacturer's designs and while serviceable, they failed to meet my needs. Admittedly, I am pretty particular.