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puma guy wrote: ↑Sat Jul 06, 2019 5:18 pm I am not recommending this ammo only reporting it's cost, which is quite reasonable. Rimfire ammunition should be evaluated for reliability and accuracy in any given firearm, especially semi-autos. I have many semi-auto rimfire pistols and rifles and each has it's own preferred ammo. I test them all with several brands and velocities for reliability and accuracy. I even test them with subsonic and CB rounds. I've found the only universally reliable .22 LR ammo for my semi-auto's is CCI, but it's not always the most accurate. I do not use hyper-velocity in my semi-autos. If I didn't already have a lot of .22 LR on hand I'd buy some of this stuff.

I agree, that’s a fantastic price, and even if it isn’t 100% reliable in a given gun, you can afford some duds at that price. I was just addressing WTR's concern about ammo for semiautos. Sorry if I hijacked the thread. I didn’t mean to.

WTR wrote: ↑Sat Jul 06, 2019 12:04 pm I would only use the Thunderbolt ammo in a bolt or pump action. It has been unreliable in a variety of semis for me.

My last bulk purchase of .22LR was 4000 rounds of Winchester M-22 40 gr Round Nose for $172 from Big Daddy Unlimited. So $144/5000 rounds is a pretty good price. OTH, M-22 Ammo is specifically designed for use in semiautos; and it burns cleaner than a lot of other .22LR offerings, making it ideal for suppressed weapons. I have three rifles and three pistols in .22 LR. Two of the rifles and two of the pistols are semiautomatic. I’ve found that the Federal ammo I’ve fed them cycles through the semiautos better than the cheap green/yellow box Remington, but both will produce malfunctions in those guns. My revolver and Henry lever action will swallow whatever you feed them, including the M-22. But it’s nice to know that I have some bulk ammo that is reliable and accurate in the semiautos.

BTW, the 40 grain load develops 1255 FPS, but Winchester also makes a 45 grain subsonic version of the cartridge.