This is a Raven Concealment Systems Inside Waistband Holster known as the Eidolon, model EG17 AS BK BSC.
The Eidolon is the culmination of over three years of design and development. It is designed to be the most refined and functional inside-the-waistband holster on the market. At the core of the Eidolon is the holster shell. The shell is precisely fitted to the weapon on the inside and is smooth on the outside to work in conjunction with the body" belt" and clothing -in nearly any carry position- to maximize comfort and concealment. At the same time" the shell provides attachment points for a host of accessories to allow the user to tailor the holster for their specific carry needs.
Features:
Fits Glock 17/22/31
Inside-the-waistband holster