Is there a list anywhere with all the folks making replacement heads, the lumens, and cost?
These are some options made by Surefire:
1.) The new 120 lumen L4 ("B" head) is the replacement for the old L4. It's like the old L4 but uses an SSC P4 LED instead of a LuxV so the brightness is higher, runtime is better and it has a more defined hotspot instead of the "wall of light" the old LuxV L4 delivered. It can be identified by the letter B imprinted on the head next to the serial number and it uses a reflector like the original version did.
I don't think you can buy just the head for the new L4 from a dealer just yet, but there is someone in the marketplace selling these new L4 heads for $95.
Click here to see sale thread.
You can also read a review of this light here:
New L4 review
2.) Another option is the
KX2 "B" head. It can be purchased seperately for the retail price of $109 directly from Surefire. Or you may find it cheaper frrom a dealer or in the
marketplace. The KX2 "B" head serial number starts with the letter B so it can be identified. The older 45 lumen version started with the letter A. It is a two-stage light using a cree LED rated at 60 lumens on high and 3 lumens on low. This light also uses a TIR to direct the light into a nice tight hotspot instead of using a reflector.
3.) A third option is the
KX2C head. It only comes in black and "desert sand brown" though. It is a single stage Cree LED using a TIR optic and it's output is 120 lumens. Retail price is $109
4.) The last option is a complete light.
The E2DL is black and uses a TIR optic. It has teeth to strike someone who attacks you. It is a dual output light rated at 120 lumens on high and 5 lumens on low. Retail price is $149
One final note is that these Surefire heads really put out more lumens then they state. The 120 lumen rated lights have been shown to put out between 160 and 210 lumens. The KX2 "B" head rated at 60 lumens that I used to own put out around 85 lumens.
You can see some beamshots of the E2L with the KX2 "B" head and the E2DL as well as some others
here.
Have fun.