The Firearm Blog froze a Glock 17 pistol to find out if still performs after... "In this episode of TFBTV, James Reeves subjects a Glock 17 (Gen 5) 9mm pistol to seven hours in a cooler with -100 degree Fahrenheit dry ice for a sub-zero freezing torture test. The Glock was then removed from the icebox and shot immediately to see if the most reliable handgun of all time could get through an entire magazine of ammo after extreme freezing."