I just got in to shooting rifles last June. Iíve shot it in hot conditions with the barrel sizzling. Maybe 20 shots while it was super hot. Iíve done this several times. I later heard that it can damage the barrel. I have a Savage 110BA 300 Win Mag. I shoot factory ammo usually the 150gr.

What are the signs of a damages barrel. How can I tell without lugging it over to a gun shop?

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