I am looking at buying a Lyman GPH .50 calibar 1:32 twist. But before I buy it, there is a few things I would like to get a better understanding about. The first being, if i have to remove the barrel everytime I clean it, won't that mean I would have to re-zero the rifle each time? Secondly, is a 1:32 twist good for heavy lead conical like the No Excuse bullets? I live in oregon and with state regs and my own personal preference, that is the style bullet Ill probably be using. I appreciate any and all input. Thanks in advance.