Starting now! I thought that thing was a little smokey while shooting it. I know I've run my 6.8 this hard before and not melted the Magpul furniture. I had the 11.5 over 300* F at the FSB with no ill effects.
I just noticed this pic from the range- you can still see smoke coming out of the barrel. The smoke off of the FSB is not as obvious. Yes, I use my new potato to document my stupidity.