YES! the driver can be easily mod with simple resistor mod to give out extra lumens and they have excellent heatsink too
YES! the black LED cover is on the high side, but they do gives out a nice round hotspot without ugly corona as in regular C8, however be very careful when upgrading this light with high Amp driver, it will burn that black LED covered and create smoke that can ruin the reflector finish ( don’t ask how I know )
but if you just want a simple resistor mod to somewhere around comfortable zone of XM-L2 at around 3.5A… this is definitely an awesome light, if you don’t care about the size of course as it is longer than most C8.
lucky for me I found another reflector donor from another light which is longer than the original, now it even gives out more intense hotspot
I love that M900X lighted switch button.
btw… to take out the driver all you have to do is disconnect the solders on the LED star first and then just yank the driver out by pulling the spring