Blackhawk! SERPA CQC Holster GLOCK 17/22/31Blackhawk! SERPA CQC Holster GLOCK 17 22 31 The Blackhawk! SERPA CQC Holster GLOCK 17 22 31 is a carbon fiber holster that makes drawing your weapon smooth and easy. Weapon security is assured with the SERPA Auto Lock release, and positions automatically for precise drawing motion. Specifications: Intended for use with the GLOCK 17 22 31 Speed cut design for faster drawing SERPA Auto Lock release Instantaneous retention and perceptible 'click' for