My P320 M17 had around 1000+ rounds now, and every 100 rounds or so after the initial 1000 rounds, the screw that tightens the sight plate will have to be re-tightened. To solve this, apply a little threadlocker to the two screws that holds the sights.(BLUE strength, if you get red they might...
This happened. The hammer pin is out, odd. Actually this is the second time this has happened, so for sure this is a problem. Will be contacting Sig. BTW does Sig customer service have an email? All I see is phone numbers to call.