Oh it's definitely for giggles. I'm perfectly happy to spend money to put holes in paper.
I'm confident it's not going to damage the barrel to any degree I care about. The pain threshold is something like 110°. I'd have burns by 120 or 130° holding it with my bare hands. I'm looking for solutions for that, not putting a FA lower in so I can heat the barrel to hundreds of degrees where you start seeing throat or rifling damage.
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