Ok I have narrowed down my decision on a ak to either a 223 or 7.62. I plan on buying a new Siaga now and doing the conversion later. What I need to know is there any difference in converting the 7.62 compared to the 223? There are sites that say that the 7.62 is a little harder to convert than the 223. I may buy an AR in the future so would my money better be spent on the 223 or if ammo prices stay about the same will the 7.62 be more afforadable to learn on while I save up for something else. The main sticking point I have with doing the conversion is installing a bullet guide. Is it really