I am a big fan of Bianchi Accumold holsters. I have ordered a snap-on that should fit my XD 45 service model (4" barrel). If it does, the XDM 3.8 should be good fit as well. I will have it next week and I will try to let you know. However, I am having a total knee replacement in two days so it may be a number of weeks before I can get down the stairs to my basement gun & fun room to check out the fit on this hoster,
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