I have an XDM 3.8 Compact 40 and an XDM-9 Service/4.5 I'm looking for an autolocking holster that will fit the 3.8. For the XDM-9, I'm currently using a Safariland 6378 ALS, which I like and is one of the holsters we use in our Fire Marshall's Office (our service weapons are Sig P226 in .40). Unfortunately, the slide on the 3.8 is just a little bit too wide to fit the holster I'm using for the 9mm. Before I start ordering a bunch of other holsters, trying to find one that will fit, has anyone had a similar experience, or would know which model would fit? Alternately, I see that Galco now has an auto-locking holster (the Matrix M4). Anyone using one? There are no Safariland dealers in my area, otherwise I'd head into one to try them out. Sure, I could call up Safariland or Galco to find out compatibility. But I'm hoping to hear some reviews from real, unbiased users. Thanks in advance!