The Sig P320 (M-17/ M-18) pistols are extremely reliable. I not only speak of military tests, but my personal experience putting through many thousands of rounds through them. The P365 is on the same plane as its bigger brothers. They aren't perfect and the company doesn't claim that they are, like some other brand I know of!I can’t speak to why he crosses it off the list but I do because:
- They tend to choke on steel cased ammunition, and while I rarely shoot steel cased ammunition it’s an option that should still be on the table.
- They have a reputation for poor reliability with some shooters. Other shooters think they are just fine. The reality however is that whether it’s due to limp wresting, improper cleaning and lubrication, narrow parameters for ammunition, or a fundamental design flaw, it’s not very reliable for a fair percentage of shooters.
- The P320 was basically a P250 with a striker firing system and as such was a rather cobbled together design. That led to a “voluntary upgrade” program. There were issues with the original trigger not being drop safe, and there were issues with the lack of a mechanical disconnector. The design of the safety lever and sear spring was such that the safety could be left disengaged with the sear not fully engaged, which could cause the pistol to fire if it suffered an impact. It’s been corrected, but there are still un-upgraded examples out there.

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