Safariland 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork Right Stx Tactical Duty Black. Its Automatic Locking System (ALS) secures the firearm. Unlike Safarilands RDS series the RDSO has an open pocket that protects the optic and does not use a flip-up dust cover. Specifications for Safariland 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork: Manufacturer: Safariland Color: Black Gun Make: STI International Gun Model: STI International Staccato Hand: Right Holster Type: Outside the Waistband Holster Belt Holster Holster Material: SafariLaminate Accessory Attachment System: Belt Attachment Type: Belt Loop/Slot Holster Size: Regular Finish: STX Tactical Application: Duty Quantity: 1 Fastener/Closure Type: ALS - Automatic Locking System Condition: New Age Group: Adults Gender: Unisex Features of Safariland 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork ALS (Automatic Locking Systems) secures weapon once holstered; simple straight up draw once release is deactivated. Open-top design without SLS for quick retrieval of weapon. For use with red dot optic-equipped weapons. SafariLaminate thermal-molded construction protects handgun and sights. Package Contents: Safariland 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork What firearm models does the manufacturer say Safariland 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork is compatible with? The manufacturer says that Safariland 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork is compatible with STI International StaccatoSafariland 6354RDSO-2582-131-MS19: 6354RDSO STI International Staccato 5in OWB Belt Holster w/ QLS19 Fork Right Stx Tactical Duty Black