I've had this combo now for a few years, and up to now I've never had any real issues I couldn't overcome myself. Here's the deal: It loves Remington Subsonic, and absolutely would not cycle with other subsonic ammo in it. Yesterday I was out shooting it, it's been about 6 months or so since I've been able to shoot any. It would fire the chambered round, but no ejection. I had to hand cycle all ammunition thru it. After a couple of mags, I figured something is out of wack. I removed the suppressor, fired a few rds with no difference. Figuring it's something wrong with the gun, I gave it a good cleaning and lube when I got home. I fired a few rds and it's still doing the same thing. Other than maybe trying a different lot of ammo, what does the hive think might be the issue here? It has the correct recoil spring installed as well. I can try another batch of ammo tomorrow in the back yard just to see what the results might be. Any help or suggestions is appreciated. Up to now, I could fire all of the mags I have, which are several, back to back, with no issues whatsoever, maybe a occasional misfire once it started getting dirty but nothing like this. Thanks for the help in advance!

Edited:  I tried standard and high velocity ammo thru the pistol this afternoon, and still the same. To me right now, this is a single shot piece of shit that I can't use or enjoy. I sold a perfectly functioning Walther P22 only because the Mosquito fit my hand better. I even swapped the recoil springs out and it's still doing the same thing. The f---er is out of the warranty now...WTF? Get a new extractor or what?    

Is it possible that the recoil spring is installed backwards, the smaller end goes toward the rear of the pistol.  I've seen them do that if the big end goes to the rear instead.  I know mine functions flawless with several different subsonic 22 brands, when I have the suppressor attached.