There are different attachment type with the holster for optional , Please choose what you need while you make the order. Item Description: 1)Outside Waistband Tactical Police Duty Holster Holster fit Glock Glock 17 Gen1-5 9mm Luger Glock 17L Gen1-3 9mm Luger Glock 17M 9mm Luger Glock 17 Pro 9mm Luger Glock 17C Gen4 9mm Luger Glock 22 Gen1-4 .40 S&W (Not fit the Gen5) Glock 31 Gen3-5 .357 SIG Glock 31C Gen3 .357 SIG Please take a look at the picture. For Gen5: You can use this holster directly without the block and axis pin. For Gen1-4: Assemble the block and axis pin into the hole of the holster before using it. 2) Type -Holster with attachment: Push side buttons to achieve the fast opening and closing, unique design allows for belt carrying or vest and thigh carrying, perfectly used by duty holsters, uniformed law enforcement officers, security personnel, military personnel, private persons, and shooting sports holsters. And it fits closer to the body which can achieve better concealment under clothes. 3) Secure Level III Retention:An auto-locking system restrains the pistol in the holster to ensure ultimate safety, activate the release by pressing the button with Thumb Release to achieve gun access. Great for civilians and off duty officers Right handed Polymer Holster 4) Adjustable Carry Angle: Easily set Holster 360 degrees to your desire position with Allen key, compatible belt width up to 2 inch 5) Tough, Durable Material: Custom-molded body made of polymer stronger than leather that will wear out, adapt to every bad environment. Shipping: Ships same day or next except Sundays and Holidays ! Free shipping! Ship by USPS First Class Package. 100% MONEY BACK GUARANTEE.If you are not completely satisfied ,please let us know before leaving feedback,we would like to do our best to leave you with the best shopping experience on Ebay ! Thank you !