Lens and Head Gasket for use in the Malkoff MDX 16.5 or 22.3 Head.  The Lens is constructed of a scratch resistant and shatter resistant acrylic.  It is 95% transmissive (most standard glass lenses are 92% to 94% transmissive).

These are for using the M61 Dropin in a Malkoff MD2 Flashlight.  They are not necessary when using the M61 in a SureFire Flashlight.