Safariland Model 6365RDS ALS/SLS Low-Ride Level III Retention Duty Holster STI Staccato P-duo W/ Light. This holster with the Automatic Locking System (ALS) builds on the foundation of the Self Locking System (SLS). It locks the weapon in all directions upon holstering it's operable with the thumb and the weapon can be drawn straight out of the holster with no twisting required. Specifications for Safariland Model 6365RDS ALS/SLS Low-Ride Level III Retention Duty Holster: Manufacturer: Safariland Color: Black Gun Make: STI International Gun Model: STI International Staccato P DUO Caliber: 9mm Luger Holster Type: Outside the Waistband Holster Light/Laser Attachment: TLR-7 Accessory Attachment System: Hook Belt Clip Application: Duty Condition: New Age Group: Adults Package Contents: Safariland Model 6365RDS ALS/SLS Low-Ride Level III Retention Duty Holster What firearm models does the manufacturer say Safariland Model 6365RDS ALS/SLS Low-Ride Level III Retention Duty Holster is compatible with? The manufacturer says that Safariland Model 6365RDS ALS/SLS Low-Ride Level III Retention Duty Holster is compatible with STI International Staccato P DUOSafariland 1323733: Model 6365RDS ALS/SLS Low-Ride Level III Retention Duty Holster STI Staccato P-duo W/ Light