Raven Concealment Systems Perun OWB Holster, 1.5 Belt Loops, Fits Glock 19, Ambidextrous, Black, Polymer PXG19 The Perun is their flagship outside-the-waistband (OWB) holster. It is the result of blending the best features of two of their most popular holsters" the Eidolon and the Phantom" to create a highly refined" exceptionally concealable holster.