Tactical Solutions Holster, Low Ride, Fits Ruger MK Series, Fits Ruger MK IV, Ambidextrous, Black Finish HOL-MKIV-L The Tactical Solutions PAC-LITE(TM) Holster is designed to fit the Ruger(R) Mark Series [MKI" MK2" MK2I" MK IV & 22/45(R)].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.