KL2 runtime w/ M3, M6?

[socom1970]

Does anyone know the runtime of the stock SF KL2 head when used on the M3 as well as the M6? Thanks for any info.

 

[Bullzeyebill]

Click on this link http://ledmuseum.org/ then in left hand column click on CR123 LED lights, then scroll down to Surefire KL2, click on that and scroll down to runtime graph.

Bill