So I recently installed a .920 (greenmountain 20" fluted) barrel on my 10/22 that now has 3x more than its initial cost in parts installed on it. I've read mixed thoughts on barrel "break in periods" and what exactly is supposed to happen during these. Some people seem to say fire ~100 rounds, clean, 100 rounds, clean, ect for 500rnds or so. Others say none is necessary? What is the opinion of WMD?