The full-size semi-autos are more reliable than they used to be, that's for sure. It has a lot to do with refining the mechanism a bit (e.g., working out the right angle for the feed ramp) and employing better manufacturing techniques (CNC machining, drop-in parts that are finally really interchangeable, etc.).

The small semi-autos remain problematic.

My revolvers have let me know when they have a problem, always in time for me to fix them or clean them up while they still work. I have had many FTEs, FTFs, etc., over the past 50 years with semi-autos -- most notoriously, a Series 70 Mk IV Colt and a S&W Mdl 457, neither of which would run - ever.

We all know about magazines, too.

Overall, my experience (with lots of disparate data but little scientific method) tells me that my revolvers are more reliable and dependable than my modern semi-autos.

I hope I'm not too much of a chump for responding to this thread.

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S&W Rover