Breaking-in a rifle barrel is critical for accuracy and usually overlooked or not done correctly. Here is a good link on how and why to do it right: Rifles / Rifle Bore - Break In, Cleaning For Accuracy
If you take your time, and do this right, you won't be disappointed. After all, you are protecting your investment.
You guys with older rifles can still do this to improve accuracy. I couple of year ago, I had a rifle that always shot sub MOA groups until one day it started hitting all over the place. I discovered my cleaning process wasn't getting everything out, so I started from scratch. Now I'm back on target. See the current thread on solvents and cleaning in The Lodge
for more cleaning ideas.
That's a great rifle that you bought. Good luck with it!