Safariland Model 7305 7TS ALS SLS Tactical Holster with Quick Release for Glock 17 Part# 7305 835 411 Color:Black Comfortable Fit: Featuring a 36W 32L Comfortable Fit: Featuring a 36W 32L size and a flexible design Superior Craftsmanship: Made from high quality materials ALS (Automatic Locking System) secures weapon once holstered simple straight up draw once release is deactivated SLS (Self Locking System) rotating hood A proprietary nylon blend that is completely non abrasive to a firearm's finish Raised stand off surfaces in the interior of the holster create air space around the weapon allowing dirt and moisture to quickly clear any contact with the firearm This 7305 holster features the Automatic Locking System (ALS)