Sorry for taking so long to get back, but life dictates our free time, don't you know... The instructions in "FAQs'" are right on the money, but be very cautious about how much oil you use. Be sparing, otherwise the thickness of he oil can give you a false reading. I don't beleive that this will give you a reading that will be excessivly dangerous, but it will effect the accuracy of your bullet diameter selection.
In other words, your bullet will be to small for your barrel (thus losing velocity) , but thankfully will not be to large (thus increasing chamber pressures). I know all this hooplah sounds scary, (and it is) but if you follow the basic tenants of your reloading manual (short of an act of GOD) your going to do just fine. There is a lot of great advice on this sight on how to do all manner of accurizing, from reloading, to stock bedding, I would recommend you study it, and then ask the thousands of informed questions that will soon follow.
BTDT. With that as I'm sure you have seen some posters are pretty arrogant. The unfortunate interaction with these posters can certainly turn one off from asking questions. This is the time when one has to rely on ones own investigative properties. It is unfortunate, but a reality all the same.
Your rifle will most likely be everything you expected. With some customized hand loads it would probably exceed your dreams for a "Milsurp". Mine has exceeded any (and I have shot thousands) rifle that I have every gotten behind. Yes mine shoots some "Home Growns" but they are right in line with the Data printed in a generic loading manual no tricks, nothing fancy. I hope this helps.