Safariland 6365 ALS/SLS 1.5" Belt Drop, Level-III Retention for Glock 19, 23 with M3 or Sure Fire X200 Light, Black STX Tactical Finish, Right Hand Level III Retention, ALS (Automatic Locking System) secures weapon once holstered, also features the SLS (Self Locking System) Rotating Hood Low-Ride level Low-Ride, this slim, compact design allows weapon to ride close to the body Simple straight up draw once all releases are deactivated 2.25" (58mm) belt slots