Rip-offs makes a holster that will fit I am pretty sure. It MAY be the model BL-94, but probably another model. A place called FILMTOOLS (Google it) sells their holsters at a good price, that is where I bought mine. If that model doesn't fit, they also make another holster that fits the L7 well. That one should fit because the L7 is a little longer.
Back story: I bought two holsters for my Surefire C3, not sure which one would be too long. I end up keeping the BL-94 because it fit my C3 perfectly. The other was a little too long, I ended up selling it to a nice chap in England who needed it for his L7. When he got it, he PM'd me that it fit perfectly. I'm not sure which model THAT one was, but you could probably find it by searching my sales threads on CPF Marketplace.
Anyways the reason why I think it would fit the 9P with Z49 was because I searched very hard for a holster that would fit the C3 with its wider grip ring, and finally the BL-94 did fit. But it might be too short, since the Z49 adds a little bit of length.
I just looked and found the package for the BL-94 holster, but I was not able to find the ACTUAL holster, it was not in the drawer I thought it would be in, I will have to look around some more tomorrow and get back to you. I know it's around here somewhere.
I'm not saying the L7 fitting model I bought and sold will fit FOR SURE, but I think there's a very good chance. I suspect the BL-94 will be a little bit short.
One word of caution: I don't think the holster listed on Rip-off's website that is advertised as being for the L7 is the same one I purchased and sold that did fit the Surefire L7 of the guy in England.
But it could be, it was a while ago and my memory is foggy. I will look into this further.
One thing about Surefire that bugs me more than anything is their poor selection of holsters for certain models or configurations.
