Description Safariland® 6390RDSO – ALS® MID-RIDE DUTY RATED LEVEL I RETENTION™ HOLSTER The 6390RDSO holsters are designed for firearms with red dot sights. Its Automatic Locking System (ALS) secures the firearm. Unlike Safariland’s RDS series, the RDSO has an open pocket that protects the optic and does not use a flip-up dust cover. Features a mid-ride belt loop that is rides close to the body.Safariland® cannot guarantee that RDS holsters will be compatible with non-factory (Glock MOS, M&P CORE, etc.) mounted red dots. Numerous variables, including placement of the RDS on the slide, use of dovetails, can affect the fit.FeaturesALS® (Automatic Locking Systems) secures weapon once holstered; simple straight up draw once release is deactivatedFor use with red dot optic-equipped weaponsSafariLaminate™ thermal-molded construction protects handgun and sightsSuede lined to protect handgun’s finish FITS:GLOCK 19MOS With Inforce APL, WILD2, Olight PL-Pro or Valkyrie, Nightstick TWM-30, TWM-350, TWM-350S, TWM-850, TWM-850S, TLR-1, TLR-1HL, Surefire X300, 300V, or X300U and Leupold Deltapoint PRO, Trijicon RMR, Vortex Viper/ Venom or Burris FastFire 4″ BBLFINISH:  STX TACTICAL BLACKORIENTATION: RIGHT HAND