Safariland Model 6360 Als/sls Mid-ride Level Iii Retention Duty Holster - 1331740. The Als (automatic Locking System) Builds On The Foundation Of The Sls (self Locking System) To Offer Level Iii Retention. In Addition To The Sls Safariland's Patented Als Locks The Firearm Into Place Immediately Upon Holstering While The Rotating Hood And Tension Device Ensure Added Security. The 6360 Holster Can Be Easily Upgraded To Level Iv Retention Using The Optional Sentry Attachment. gun Fit: Glock 17 W/ Iti M3 Tlr-1 Tlr-1hl Surefire X200/x300/x300u Inforce Apl Nightstick Twm-350 Twm-350s Twm-850 Twm-850s gun Fit: Glock 22 W/ Iti M3 Tlr-1 Tlr-1hl Surefire X200/x300/x300u Inforce Apl Nightstick Twm-350 Twm-350s Twm-850 Twm-850s Specifications for Safariland Model 6360 Als/sls Mid-ride Level Iii Retention Duty Holster 6360DR-8325-492: Manufacturer: Safariland Retention Level: Level III Package Contents: Safariland Model 6360 Als/sls Mid-ride Level Iii Retention Duty Holster