Mine is a 16 Feb 2019 production. I’m 967 rounds deep as of today. No issues thus far other than a rather large burr on the bearing surface where it contacts the trigger mechanism. This was present out of the box. Sig wouldn’t replace the striker without gun in hand and 8-12 week turn around time. I was told this on day 1 with an unfired pistol. I took down the burr with a file and stone. The pistol has been fine.
My two P320 X Series guns also has QC issues out of the box, but at least the P355 runs. Both X Series guns couldn’t make it through a magazine until I remedied the problem. Again, first day I owned them, Sig told me 8-12 weeks to fix a new gun.
A friend of mine has a mid ‘18 production P365 that kaboomed on the first magazine. Sig blames the ammunition manufacturer without inspecting the gun for themselves. They stated it was double-charged. As somebody that reloads, I’ve taken down most factory ammunition in 9mm and found it impossible to be double-charged. Ammunition was factory new Remington UMC 115 gr FMJ.
The owner believes it fired without being fully in battery. Testing mine, with the pencil trick, I can get it to launch a pencil without being fully in battery. I cannot say this caused the kaboom on his gun or not.
Sig stated they will fix his gun range on his dime and send him an RMA at some point when they get caught up on warranty work. He’s been waiting several months now.
Sig’s customer service has been completely terrible. While I like these three pistols I own, as well as my electro-optics from Sig, I’ve decided against purchasing additional Sig products at this time as 2/3 of my Sig pistols wouldn’t function out of the box. I was really considering a PCC from them. Now I’m looking at JP.
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