Safariland Model ALS Paddle/Belt Loop Glock Holster Left Hand Black. These Belt Holsters from the masters at Safariland feature a thumb activated Automatic Locking System that keeps your firearm in check. With a suede lining the Safariland Model 6378 ALS Paddle Glock Holster keeps the finish of your firearm in pristine condition with every extension. Versatile and functional the Safariland Model 6378 ALS Concealment Glock Holster will be your daily go-to in no time Specifications for Safariland Model 6378 ALS Paddle/Belt Loop Glock Holster - Left Hand STX Basket Weave & Hi-Gloss: Manufacturer: Safariland Color: Black Gun Make: Glock Hand: Left Holster Type: Paddle Holster Belt Holster Holster Material: SafariLaminate Accessory Attachment System: Belt Loop Application: Concealment Quantity: 1 Fastener/Closure Type: ALS - Automatic Locking System Age Group: Adults Fabric/Material: SafariLaminate Gender: Unisex Safariland Model 6378 ALS Belt Loop Glock Holster DS-HT-6378GLK The model 6378 with STX finish features the Automatic Locking System (ALS). Once the weapon is holstered it locks into place. When the ALS is de-activated by the thumb a simple straight up draw is used. IDPA approved. It features an 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 in. to 1.75 in. belt widths. Suede lining helps to protect the gun's finish. Package Contents: Safariland Model 6378 ALS Paddle/Belt Loop Glock Holster Left Hand What firearm models does the manufacturer say Safariland Model 6378 ALS Paddle/Belt Loop Glock Holster - Left Hand STX Basket Weave & Hi-Gloss is compatible with? The manufacturer says that Safariland Model 6378 ALS Paddle/Belt Loop Glock Holster - Left Hand STX Basket Weave & Hi-Gloss is compatible with Glock 37 Glock 39 Glock 34 Gen 1 Glock 17 Gen 2 Glock 17 Gen 1 Glock 22 Gen 4 Glock 17 Gen 3 Glock 17 Gen 4 Glock 45 Glock 19X Glock 35 Gen 3 Glock 22 Gen 1 Glock 34 Gen 3 Glock 35 Gen 4 Glock 34 Gen 2 Glock 35 Gen 2 Glock 35 Gen 1 Glock 34 Gen 4 Glock 30S Glock 27Safariland 6378-383-482-K15: Model 6378 ALS Paddle/Belt Loop Holster Glock 20/21 Left Hand STX Basket Weave Black