Hello everyone , I have a Stihl MS 280 C which came fitted with a Stihl 3003-000-6813 Bar. I also have a Stihl 3005-000-4713 Bar. Both are 40 cm bars. As I have the -4713 bar is it possible to fit and use in in place of the 6816 or what exactly are the differences between both bars ? Thank you.