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Almost got ya for a minute there! :)

Don't be fooled by the title. I'm talking about solar barrel heating; not of that from friction or combustion associated mainly with centerfire and rimfire rifles. I am curious to know whether points of impact could vary (considerably?) depending on how warm the barrel is from sitting in the sun a bit.

Example: It is 77F degrees inside a house; so is the barrel. Go outside, and it is 90F degrees. The sun is also pretty strong, and the barrel absorbs heat energy (because of a dark finish); the temperature of the barrel may rise to 100F degrees or more.


:D
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Good question. Maybe "dave" or someone here can help you with it. I have never given it a though as where I shoot around the house it's usually in the shade(porchs, barn, home shooting range). The club shooting stations all are covered too. Lawdog
:D
 
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