Took to range for initial firing, had some odd occurrences of gun going bang but trigger not returning to ready fire position instead being "stuck" back. Able to pull trigger forward and resume firing.
No failures to fire. No difficult extraction of empty moon clips. Fired 12 7 round clips, most of the later ones were without incident.
986PC trigger requires break in? Seems odd to me. Was going to run another dozen rings and see what happens. Never like sending brand new back to mothership but might be necessary?
Was shooting low and right. Like 7" low at 25'. Front sight appears drifted to left slightly from factory.
The only time I have run into this was when it was a used gun and someone had messed with the rebound slide spring. With a new gun this shouldn't happen. I would check the mainspring strain screw and make sure its tight, and personally I would pop the sideplate off, strip it ,and see if anything was apparent before I went through the hassle of sending it back to the factory.