Independence, Israeli-made, some say by IMI, marketed by Federal. Headstamped FC 13 2. No NATO stamp (odd, since it is 5.56?) Several primers were found out of their pockets at ejection.

Other brands functioning perfectly, so it is not the gun.

From what I read, Independence is part of the ATK group. In today's market, apparently a headstamp is not a positive indicator of who made the brass. Independence is alleged to be an outlet for Federal over-runs.

For example, I bought 100 new 6.5 Hornady unprimed brass. They range in weight by 7 + grains.

Anyway, interested in the primer problem described above.