If you want to see a gun blog that turned out great content, from a content provider standpoint, take a look at PrecisionRifleBlog. Although he has been pretty inactive the last couple of years. I recommend starting at the beginning of his timeline and pay attention to his attention to detail. Sorry, there is a lot. His approach to projects relating to his blog's focus is a good idea of the effort it can take to provide meaningful information to the people you want to reach about your blog topic...or you can go for the FPSRussia route in blog form. Either way will work I guess, depends on your goals for your blog.