Those of you waiting for the L.E.D. upgrade kits for the M2 and M6 family of weapon mounted lights, sources inside the company expect to start shipping them in April. The kits will also be available for online orders in that time frame.
It is a great way to get your M2 or M6 up to snuff.
M2 L.E.D. Upgrade Kit - Insight Technologies
FOG HORN 