My break in procedure for my match rifles, including AR, M1a and FTR, is to run a solvent patch through the bore when new then a dry patch. Then to the range to sight it in and ensure proper function, about 20-30 rounds. Then light cleaning with solvent.
Then off to the races.
Mosin: Know the safety, Love the safety, Be the safety
There are some corners of this country which have bred the most terrible things, things that act against everything we believe in. They must be fought. FBHO- Free Edward Snowden