Ok You have a picture of a Hammer with spring...the thing to the left, a disconector, the thing above everything else in the middle, and a trigger with spring, the thing in the center at the bottom, and a trigger pin...the round pin looking thing in the bottom center left.. Now what do you think is broke? The trigger pin sits in the center of the lower receiver, the hammer pin sits in the front of the lower receiver cut out, and is slightly above the trigger pin.
I have seen a couple pins break over the years, but it isn't very common.
I have seen a couple pins break over the years, but it isn't very common.