Model 6395 ALS Low-Ride Level I Retention Duty HolsterPurpose built for the security of duty officers, the Safariland 6395 ALS open top holster features the ALS (Automatic Locking System), an internal locking device that retains the weapon in all directions immediately upon holstering, with no straps or snaps to manipulate. The holster is completely operable with the thumb and once the ALS is deactivated a simple straight up draw is used. Gun Fit For Glock 17 Dual Magazine Release Gun Fit For Glock 22