Not forgetting to remove aerialJust remember even though you don't see roof in the scope doesn't mean its not inline with the barrel.
I haven't tested the theory myself but heard of others,
Yes. I put a mat over my windscreen when shooting off the bonnet for the same reason. Don't want to get on first name terms with Mr AutoglassIf I'm zeroing anything above .270 off my truck roof, I always drop the side windows.![]()
Would a windscreen actually pop ?Yes. I put a mat over my windscreen when shooting off the bonnet for the same reason. Don't want to get on first name terms with Mr Autoglass![]()

Pop? Crack yes. Some years ago it happened to a friend. Heard it had happened to someone else, so why take the chance?Would a windscreen actually pop ?
I’ve often wondered the outcome so have yet to risk it with my .308Would a windscreen actually pop ?