Hey I have a kimber 1911 stock I want to modify it to be more like a .38 super race gun... I know I need to change the recoil spring and main spring but I want to shoot regular loads through it.... How light of springs can I use... Can I lighten my slide weight? What kind of compensator do I use? Do I mess with the firing pin? Or hammer? I've put together a few ar-15's but pistols are a whole new world to me.... Any advice helps. Thanks