Safariland Model 6354do Als Optic Tactical Holster For Glock 17 Gens 1-4 . This tactical holster features a three-hole pattern so you can configure it anyway you want to. The Safariland 6354DO Holster w/ Qls allows you to adjust the cant and mount it anyway you want. The flexibility of this holster makes it work for a variety of situations allowing you to adjust it to accomodate the shape of the red dot sights you have. The Safariland 6354DO Holster is made with a cordura nylon finish and has a double leg strap so those who wear it will be sure to have a good grip on it. Package Contents: Safariland Model 6354do Als Optic Tactical Holster For Red Dot Optic