Originally Posted by Mirodasc
One question I have, is there any noticibly increased chance of BB's shattering in barrel when it's colder out?
No. But any "shattering" that's going to occur is going to be gun body, any cast parts for that matter (like gearbox shell).
Easy way to fix that:
Don't play in the winter.
My guns go to sleep in the fall and awake in spring.