With a new rifle I like to clean it thoroughly, then shoot a 3 round group, clean the bore and let it cool, another 3 round group, clean the bore and let it cool, and then shoot a few more 3 round groups with time to cool in between, but no cleaning. It should now be perfectly sighted in, and when I get home I give it a light cleaning and leave a bit of G96 in the bore. I've always gone this route and have been happy with my rifle's accuracy.