Safariland 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster Smith & Wesson M&P 45 Left Hand STX Tactical Black 6390-419-132. The Safariland Open-Top ALS Holster combines positive retention attributes such as an open top the Safariland ALS Retention system and a wrap-around thermal formed design with a brand new hole pattern for the optional holster hood guard. This new hole pattern allows for the optional ALS Hood Guard (sold separately) to be installed bringing the Safariland 6390 Holster up one retention level to a Level II providing extra security when deemed necessary. Specifications for Safariland 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster: Manufacturer: Safariland Gun Make: Smith & Wesson Holster Type: Outside the Waistband Holster Belt Holster Holster Material: SafariLaminate Application: Duty Quantity: 1 Fastener/Closure Type: ALS - Automatic Locking System Condition: New Age Group: Adults Retention Level: Level I Features of Safariland 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster ALS (Automatic Locking System) secures weapon once holstered; simple straight up draw once the release is deactivated Optional ALS Guard available for increasing level of security by one to Level II Retention Open-top design without SLS for quick retrieval of weapon SafariLaminate thermoformed construction protects handgun and sights Package Contents: Safariland 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster What firearm models does the manufacturer say Safariland 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster is compatible with? The manufacturer suggests that Safariland 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster is compatible with Smith & Wesson M&P 9 Smith & Wesson M&P 40 Smith & Wesson M&P 40 M2.0 Smith & Wesson M&P 45 w/o Manual Thumb Safety Smith & Wesson M&P 22 Smith & Wesson M&P 9 4.25in Smith & Wesson M&P 40 4.25in Smith & Wesson M&P 9L 5in Smith & Wesson M&P M2.0 9L Smith & Wesson M&P 45 Compact w/o Manual Thumb Safety Smith & Wesson M&P 9 M2.0 4.25in Smith & Wesson M&P M2.0 Smith & Wesson M&P 9 M2.0Safariland 6390-419-132: 6390 ALS Mid-Ride Level I Retention Smith & Wesson Duty Holster S&W M&P 45 w/Out Safety STX Tactical Black Left Hand