Bolt lugs don't line up with feed ramps

[Griff79]

Guys,

I was shooting today, expended about 34 rounds and on the 35th round my bolt has become locked in the closed position. When you look down the bottom of the upper you can see that the bolt lugs are rotated about 1/8-1/4 thus not allowing the bolt to be drawn back.

There is not a round in the chamber, nor a spent casing or primer stuck. It became jammed earlier and I did get it to cycle by hand about 4-5 times then it became stuck again.

What has happened? Is this a quality control issue from the factory? Ideas?



Griff