I've used the Falco belt holster for my phantom for several months now for carry. The leather is soft and thin, cut a little too long as well, but it supports the weight of the gun very well and reholsters easy. It was my first leather holster and I was rather shocked when I could barely get it to snap closed for the first time, but it has broken in real nice.
I've also used CZ's serpa like leg holster for the phantom. It has stayed in place and performed very well during three gun events. I have not tried to see if it has the same jamming problems that serpa's do when you roll around in the dirt though. One thing I do like about them is that instead of using the pad of your trigger finger to unlock the retention mechanism, you use the base of your trigger finger. Making it a lot harder for your finger to slip in to the trigger guard. The one thing I don't like is the track line for the front sight. It can be a little annoying when reholstering.
The highnoon under armor shoulder rig for my sr9c also fits the phantom nicely. Its a little more snug, but tension screws are your friend. Despite being long it still conceals well under a baggy button up. The thin shoulder straps make it uncomfortable after all day carry though. However, since high noon now has a phantom mold, this paragraph probably isn't that helpful.
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Does anyone here know if the phantom will work in a galco holster made for a glock 21? I really like the jackass rig from them and would like to use it if the phantom fits. Any holster from galco with a snap closure will probably work as a test.