I searched X6 holster and came up with This thread on X6 accessories. Other threads came up in that search as well with other holster possibilities. You might also be interested in the short 18350 tubes which are very cheap but in a few cases suffer from machining inconsistencies which result in a lack of electrical contact but are usually easily correctable. A good learning experience for newbies in both flashlight function/construction and learning how to keep dealing with overseas CS a positive experience.