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Dave McC · January 2, 2002, 04:01 PM

You can get a good argument going at any range on this,Mike, but....

The technical guys mention velocity drops in shells kept in freezers on the order of 50-100 fps. Since best ammo varies up to 50 FPS shot to shot from one box, this may be so minor as to not warrant any concern.

I noted that zeroing a slug gun in temps from the mid 20s to mid 90s has no change in POI that I can pinpoint. I doubt there's that much change in shotshells, except for either very light loads or very heavy ones.On the extremes, variance produces more changes.

IOW, probably not....

January 2, 2002, 04:01 PM	#3
Dave McC Staff In Memoriam Join Date: October 13, 1999 Location: Columbia, Md, USA Posts: 8,811	You can get a good argument going at any range on this,Mike, but.... The technical guys mention velocity drops in shells kept in freezers on the order of 50-100 fps. Since best ammo varies up to 50 FPS shot to shot from one box, this may be so minor as to not warrant any concern. I noted that zeroing a slug gun in temps from the mid 20s to mid 90s has no change in POI that I can pinpoint. I doubt there's that much change in shotshells, except for either very light loads or very heavy ones.On the extremes, variance produces more changes. IOW, probably not....