Blackhawk Serpa L3 Glock 17/19/22/23/31/32 Outside The Waistband Left Handed Holster - Level 3 retention holsters have long been the standard for law enforcement duty use. Now, thanks to the proven Serpa technology, you can draw your weapon rapidly under stress. Serpa Patented Auto-Lock Technology Passive Retention Detent Adjustment Screw Thumb-Activated Pivot Guard For Additional Security Full-Length Holster Body Protects Rear Sights Includes Innovative Jacket Slot Duty Belt Loop Fits All Blackhawk Injection-Molded