Winter Wear: The Effects of Cold Weather on Guns and Ammo | USCCA

Extreme summer and winter temperatures can be harmful to our guns and ammunition. When it comes to cold weather, the primary problem is the rapid change of temperature from inside a heated area to outside into the frigid air. We have all had our eyeglasses or cameras fog up when moving from a hot to cold environment. Condensation forms and may affect metal, primers and powder. That’s why it is important to be aware of winter’s impact on both your firearms and ammunition. 

This is a companion discussion topic for the original entry at

I love a warm rifle on a cold day.

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Treat it like you’d treat an infant.

Great article. His writing is always great.