Originally Posted by Freedom2live
Another thing why does almost all factory cartridges come crimped ??
Mainly so they don't get the bullets beat out of them shipping and getting run through autoloaders, pumps, and levers. They also often seal the ammo, which most of us have found isn't necessary either. The only rounds I crimp are pistol rounds and rounds for my bigger rifles. My 375 will loosen your fillings at 8# scoped, and my 405 is a lever so anything that can hang up the action will.