This is the shell for Kahr PM9 for use with MTAC, one like this
Mounting Options - Minotaur Holsters - products new home - Spare Minotaur Bodies

This one is for use with MTAC Version 2 (please see the link above to determine v1 vs v2 difference).

Comp-Tac sells these for $38+$9 shipping; I'll see this one for $35 shipped. Paypal is welcome.

Any questions, send me a PM.