This is a Raven Concealment Systems Holster known as the Perun LC, model PXG9TLR1HLM/5.
The Perun LC is designed to be the best light-compatible" modular OWB "pancake" style holster on the market. It has a body-hugging design that rides high for maximum concealment. The body of the holster is only slightly larger than the pistol and light contained in it. This small size aids in concealment while also making the holster more comfortable while seated in a vehicle.
Features:
Ambidextrous
Ideal for Concealed Carry
Audible Passive Retention