This is a Safariland Paddle Holster known as the 6378, model 6378-283-411.
Safariland's patented Automatic Locking System (ALS) holsters are a top choice of law enforcement professionals. Once the weapon is holstered" it "locks" into place" providing an extra measure of security from standard open top holsters. A simple straight up draw is possible once the ALS is de-activated by the thumb while obtaining a shooting grip. The Model 6378 holster features an all-new injection molded paddle design that is highly concealable and rides close to body with a slightly forward weapon cant. It also comes standard with the 567BL belt loop" fitting 1.5" to 1.75" belt widths. Additionally" it features suede lining to help protect the gun's sights and finish" and its SafariLaminate structure with wraparound design provides the strongest design combination available.
Features:
ALS Automatic Locking System
Slim Compact Design
Simple Straight Up Draw
Semi-high Ride Belt Loop
SafariSuede Lining
Right hand
Fits Glock 19/23/36 with 4 barrel