Rifle cartridges have to be trimmed initially to the proper size or even the cartridge won't chamber from the rifle. Why is this? five decades back can any person explain to me why I've issues with some cases buckling when i seat and crimp the cartridge ??? i can truly https://dftsocial.com/story11115646/helping-the-others-realize-the-advantages-of-i-roll-my-own-ammunition