It may be but it still burns, blows, and drips off.
TDC
It burn at 999 degree C !! It stay put where you put it. Any oil will drip if you put too much...
Research it - you will see that if it protect a 5 millions dollars engine made of special alloy -from freezing to a 1000 degree C - and moving parts like compressor bearing up to 50000 RPM- it is more than needed for guns.

Best oil there is...