Thread: Resurgence of interest in the old "Three Oh"?

Originally Posted by akaroa1

Well my thoughts are that the gas check cant make it any worse and if you want to push cast lead to a decent speed then gas checks and powder coat are the easiest way to do that without having issues with the bore

I'm just having fun making bullets and giving them to friends to try in a range of rifles

Most sources on a quick search give reduction of barrel leading as the main purpose for gas checks. Also increased accuracy, but the accuracy could be due to less leading.