Hello, I need some advive/help on how to get started on a 357 max rifle. I have h&r 357 mag rifle already and was going to have someone I know ream it out for me. Sounded simple enough. Then I got to researching and found that my 357 is built on an sb1 frame and is not recommended to shoot the 357 max due to the higher pressure. Now I'm not sure what to do, any suggestions?