I bought one of their "do all " deals of their 2.0 a while back. It included their IWB and OWB bases along with shells for my Walther pps, S&W 45C and S&W J frame. to be honest, I've only used the paddle holster configuration. I will say the guns seem to fit and retain well. (Well enough that I bought a shell for my 45 shield.). Construction is as decent as any kydex shell holster. A benefit is that it's cheap to change gun models as all you need is a new $14 shell to convert the base. Downside is that I think the OWB style is a bit ugly . It's also unlined.

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Dave