08-21-2018, 05:41 PM
Thank you for your input and knowledge Klem. The best barrel "cooler" I Know of is shooting on a 30 degree day. I can just shoot and shoot and shoot (not rapid fire of course) and the barrel just gets warm. Quite the opposite on a 90 degree day. By extension then... a chamber fan that is blowing ambient air down the bore is like a "for a human" fan on a 90 degree day vs air conditioning on a 90 degree day. The fan is better than nothing but in no way compares to cooler air.