Level 3 retention holsters have long been the standard for law enforcement duty use. Now, thanks to the proven SERPA Auto Lock technology, you can draw your weapon rapidly under stress, using your natural drawing motion with no unnatural maneuvers or complicated sequences to remember. Just grab and draw! Passive retention detent adjustment screw and SERPA Auto Lock release Thumb-activated Pivot Guard for additional security No thumb break or awkward middle finger release to slow down your draw Reinforces full master grip and superior draw technique Immediate retention and audible click upon re-holster for increased officer safety No snaps or hoods to accidentally open Full-length holster body protects rear sights Same drawing technique for undercover, tactical, and duty Includes angle-adjustable jacket-slot belt loop Mid-ride and high-ride belt loops also available;Gun Fit- Springfield XD