I bought some brass in 270 Win and all of it was fired before, all different case lengths. The longer ones I trimmed to trim to length no problem. The ones that are shorter than trim to length- are they usable?
In This type of bottle neck round and in these short cases I imagine some other guy trimmed them too short. I cannot think of another reason why brass would shrink. I am not reloading them to max anyway so it won't be an issue of compressed charge. I can give you the exact measurements but don't have the notebook handy right now. Thanks.
Joe