Drop-in for original 6P Head, where to buy?

I have a SureFire Z2 Combat light with the standard P60
Beamer and Head.
Because of the very high Battery Consumtion I purchased the KL3 LED Head.

The Problem is that with the KL3 Head the Z2 doesn`t fit in my tactical Holster from Shurefire nor does the "Red-Light-Cap" fit over the KL3 Head.
But I herebly need the Holster as well as the Cap.

So I was looking if there is a way to include LED Light into the Standard P60 Head.
There are some Examples on this Page http://dmcleish.com/CPF/index.html

But without any links or so, where I can order these Items.

I also don`t have the, obviously required, technical Knowledge to understand what is needed therefore.

So I don`t have a clue what I have to search for via Google.

Can someone tell me if there is some kind of "Plug and Play" solution that can be ordered somewhere, maybe even in Germany?

Thanks a thousand Times.

Check in the Dealer's Corner. BugOutGear has drop-in 3W modules to fit SureFire heads. No tools required, AFAIK.

Soon to come, 5W as well...