Malkoff Devices MD4 Body and Switch. This is the body used on the Wildcat and Hound Dog heads. It is also compatible with the MDX Head and High/Low Switch Ring. It will accommodate four CR123 lithium cells or two 18650 rechargeable cells.
The body is constructed of 6061 T6 Aluminum and is Type III HA Black. The interior has been ChemFilmed for corrosion resistance. It is fully O-Ringed for weather tightness. The removable tailcap utilizes a McClicky forward clicky with momentary function. The body is compatable with SureFire tailcaps which fit the 6P, C2, etc.
This body will physically fit, but is not voltage compatible with the Hound Dog 18650 Head.