I took my new converted S12 out to the ranger yesterday. How many rounds on average does it take to break this gun in? I was told by someone to do the entire break in on the second gas setting. A few of the Remington 00 buck would not cycle. I had a lot of trouble with Federal bulk bird shot too. I tried Winchester too, but I don't think my gun likes Winchester they wouldn't cycle at all. In total I went through about 200 rounds, most of which were 00 buck , and slugs. My last mag, 2 00 buck rounds didn't cycle. Is this a gas issue, or does this gun need more of a break in. Would the after mar