This is a Fobus Paddle Holster known as the Evolution, model PPKE2.
The next step in the evolution of holster design. One piece holster body construction with adjustable retention screw allows the user to customize the holster retention pressure.
Features:
Passive retention, one-piece holster body construction
Retention adjustment screw with passive retention
Protected sight channel
Low profile design for concealability
Rubberized paddle backing for extra stability and comfort
Reinforced rivet attachment