Safariland 6365 Level 3 Retention ALS Duty Holster, Low-Ride, Black, STX, Glock 21 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 ALS Automatic Locking System secures weapon once holstered; simple straight up draw once all releases are de-activated Slim, compact design allows weapon to ride close to body Level III Retention Hood Guard is standard on 6360 holsters Low ride belt loop rides 1.5" lower than mid-ride holster