The Tactical Solutions PAC-LITE Holster is designed to fit the Ruger Mark Series [MKI, MK2, MK2I, MK IV & 22/45].22LR pistols, with or without an optic. The ambidextrous design accommodates both right and left-handed shooters and the adjustable retention provides greater flexibility. This is the low-ride version and designed to fit belts up to 2 inches.