Manufacturer Part Number (MPN) : 6390-750-481Level I Retention™ Mid-Ride Duty Holster with ALS® A popular mid-ride duty holster with the added security of ALS®, the Safariland® Model 6390 Holster provides Level I Retention™ without inhibiting the draw stroke. The ALS® Automatic Locking System engages automatically upon holstering, but releases quickly and easily with a swipe of the thumb during the draw. The Model 6390 features durable SafariLaminate™ construction, with a SafariSuede™ lining to protect your firearm’s finish. The mid-ride design carries comfortably and includes a removable Hood Guard to protect the thumb release. A variety of textures and finishes make it easy to match the Model 6390 Holster to your duty belt, and adding the optional ALS® Guard allows the user to upgrade the holster to Level II Retention™.