Safariland Model 6304RDS-SP10 ALS/SLS Drop Leg Holster Sig Sauer P320 9mm/.40 Full Size w/ITI M3/Streamlight TLR1/SF X300/X300U Left Hand Cordura. This holster features the Automatic Locking System (ALS). It locks the weapon in all directions upon holstering its operable with the thumb and the weapon can be drawn straight out of the holster with no twisting required. Additional retention is achieved when used with the SLS rotating hood. The 6304RDS-SP10 features the single strap leg shroud allowing the holster to be worn higher on the thigh. Suede lining helps protect the gun's sights and finish Specifications for Safariland 6304RDS-SP10 ALS/SLS Single Strap Leg Shroud Drop Leg Holster: Manufacturer: Safariland Holster Type: Drop Leg Holster Thigh Holster Light/Laser Attachment: SureFire X300 Condition: New Optic Cut: Vortex Viper Burris Fastfire Trijicon RMR Application: Tactical Fastener/Closure Type: ALS - Automatic Locking System SLS - Self Locking System Package Contents: Safariland Model 6304RDS-SP10 ALS/SLS Drop Leg Holster What firearm models does the manufacturer say Safariland 6304RDS-SP10 ALS/SLS Single Strap Leg Shroud Drop Leg Holster is compatible with? The manufacturer says that Safariland 6304RDS-SP10 ALS/SLS Single Strap Leg Shroud Drop Leg Holster is compatible with SIG Sauer P320 Smith & Wesson M&P 9 Smith & Wesson M&P 40 Smith & Wesson M&P 40 M2.0 Smith & Wesson M&P 9LSafariland 6304RDS-4502-702-SP10: Model 6304RDS-SP10 ALS/SLS Drop Leg Holster Sig Sauer P320 9mm/.40 Full Size w/ITI M3/Streamlight TLR1/SF X300/X300U Left Hand Cordura Single Strap Multi Cam