Manufactured by ThruNite, this holster is specially designed for the Catapult.  Features an open top and bottom.  Can be used with the Catapult in short form (1 x 18650 battery, no extension tube) or long form (2 x 18650's with extension tube). 

Heavy duty nylon construction.  Quick release belt loop with snap button.  Velcro on the inside of the belt loop helps holster stay secure with varying belt widths up to 3".