I could believe in cold temperatures causing issues. But it would definently depend on several factors. Mostly oil and or grease used, second compostion for the firearm. With oil and grease, each have a viscosity level that is affected by cold, this would be a limiting factor in its ability to provided lubrication. As far as firearm compostion, no so much real change there, but possible in real cold weather.
Your Glock being mostly of polymer constuction should only be limited by lubrication type. Mind you, these are just IMHO, but my stainless steel 1911 does not like cold temp with slide glide on it.
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