.22 mag auto

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AMT Automag II. I have the AMT 22 LR and it's a reliable (as 22 LR semi-auto guns go), very accurate gun. No experience with the Automag, though.
 
The automag II is reliable but picky on ammo as it had to do with the pressure curve. Used to have one....one of several handguns I miss.
 
I have a half dozen Grendel p-30's, thirty rounds of .22 WMR. They are ammo specific for the first 1000 rounds. (Winchester super-x) after that good to go 40gr and above. (don't buy one with less than a 5 digit serial number, don't count zeros at the beginning) Had an AMT 6" it was a jam-o-matic, had to keep those little round holes in the chamber clean after a couple mag dumps, and only held 9 in the mag. I have 3 kel-tec pmr 30's, I prefer the Grendels, but the customer support, and parts availability make the pmr a better choice. Also had a excel mp-22 after a trip back to the mother ship, it cycled well, (still ammo specific...CCI 40 gr HP) and was very accurate but to big for my hands and way too heavy. IMHO the Kel-Tec PMR 30 is superior, all things considered. The CMR 30 is a great little carbine as well.
STW
 
The automag II is reliable but picky on ammo as it had to do with the pressure curve. Used to have one....one of several handguns I miss.

Just a bit of info here.

The Automag II was never "picky on ammo", per se. It was just designed around the Winchester .22 WMR cartridge at the time. Not all other manufacturers of .22 WMR (at that time, anyway) had the performance characteristics of the Winchester .22 WMR. This was due to the powder that Winchester used, if I recall correctly.

Also, if I recall correctly, the owner's manual specified using Winchester .22 WMR for this reason. I don't have mine in front of me right now, though, to cite the chapter and verse.

So it wasn't "picky" in the sense of it simply being designed to use .22 WMR...it was designed around a specific brand of .22 WMR at the time. If you used what it was designed for, you wouldn't have any problems.


That said, I tried three different brands of .22 WMR at the time: Winchester, Federal, and CCI. Winchester functioned flawlessly, I don't recall any problems with the Federal, and CCI would produce some failures to cycle properly.

I haven't done any research recently, but it seems to me that I recall reading a few years back that CCI, and other manufacturers, have since changed the powder they use in their ammunition and that it will work fine in the Automag II. I can't cite the references, so take that for what it's worth to you.


Bottom line: The Automag II was specifically designed around the Winchester .22 WMR. Use that and you shouldn't have any problems. Any other manufacturer, you should function test and see if it works or not.
 
I fixed a short barrelled AMT Automag years back that was VERY fussy about what it would work reliably with and often malfunctioned even when clean with the ammo it worked best with. Found that the hammer spring was so long it was getting into coil-bind which made it very hard for the slide to make it all the way back. Clipped a coil or two off the spring and that little gun would eat anything he put in it. Was LOUD as all get out though!:)
 
I know the original poster wanted something other than the Kel-Tec .22 WMR, but...

I've been VERY IMPRESSED with the Kel-Tec PMR-30. Very accurate (seems like a LASER), and thus far, very reliable. K-T had some problems early on, but that was several years ago, and there are very many happy PMR-30 owners, and a number of them are trying to get their hands on the carbine version (CMR-30?).

The PMR-30 is about the only semi-auto my wife can shoot reasonably well -- as there is almost NO recoil.
 
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