What is the most unreliable semi auto you have shot ?

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Most unreliable semi auto

The most unreliable semi auto I ever remember trying to fire was a new 1911 Randall. That was back in the 1980's when they first came out. lots of problems with them.

As a side note, the worst full auto I ever tried was an M3 Submachine gun. It would fire twice and then jam. (Bad Magazine) Fortunately or unfortunately, I had been carrying it for two weeks in the jungle without test firing it first or having to use it for defense. But to the guns credit, an earlier one that had worked flawlessly. Lesson learned, since that incident 40 years ago, I test fire every gun before I put it on for defensive reasons.
 
Kimber Warrior. It could not make it through a full mag. I sent it back to Kimber twice and it still had some type of malfunction every magazine. Ended up selling it for a loss.
 
By far the worst gun I've ever owned was a Jennings 22. If you ever needed it for a defensive situation, you'd be better off throwing the gun at them. It would jam on first bullet, the 2nd, 3rd... etc. lol
 
Taurus pt 709 slim. Bought it for the wife and had ftf's and jams out the wazooo. Bad first experience with taurus and I haven't given them another look
 
Funny thing about Taurus(s), I too had a PT709 that was crap so I sold it. My PT145, PT1911AL, and Judge have all been great dependable shooters. The worst one I ever had was a Llama .45.
 
Taurus PT 101, The brazilian beretta in .40 It jammed about every other round.

My Beretta 21 Bobcat is pretty fussy, don't load more than 6 total in the gun, and it'll do OK, 7 or 8, expect these to not feed.
 
I've posted in here before and frankly I don't even remember what I listed! But I think I found something worse.

It was a very shiny Jennings .22.

Me and a close friend were at the range, just plinking with our pistols and someone came in with a nice .40 and his toy ... said Jennings.
We spent the better part of our range trip taking turns at this little piece and whenever one of us made it through a full magazine (6 or 7 rounds) we'd actually erupt in loud cheering! Also if any of us (who were holding 2-4 inch groups at the same distance) made it on paper it was cause for a mild cheer.

What a hoot. that thing ended up stealing the show on that range session simply because it was so comically bad.
 
Kimber Pro Carry II. Two trip back to the factory couldn't fix the FTF issues. I traded it and bought another later thinking it had to be a fluke. Nope. Bought a Colt Commander and couldn't be happier.
 
Hard call between a CZ-75b and an Armscor 1911. I don't blame the design(s), I blame the people who owned the guns before me. The CZ required a new extractor spring and a new extractor. The Armscor required so much work I sold it before I sank anything else into it. For what I put into it just to make it work I could have bought a new one.

Once again, these are not design problems. The designs and the manufacturer(s) are fine. It was extremely poor care by the people I bought them from.
 
Colt "enhanced" 1911 Govt model. Second most unreliable is a Springfield 1911. Neither would feed anything reliably. Shame, cause I really wanted that Colt to work. And I've owned a Jennings .22, but it was 100% with Stingers.
 
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A Glock with lots of aftermarket parts. Take the junk off though, and they sing.

Oh yeah, the Glock SF ambidexterous magazine release frames! I am sending one back right now to be swapped out... Can't install full mags, mags don't lock, mag catch FALLS OUT, etc. Horrible design in an otherwise marvel of engineering.

The M249 SAW comes to mind too when I think of junk that doesn't work. Sometimes they do, sometimes they don't, they have to have just the right amount of oil, and although they take M4 mags, they won't really work with them. Jams all the time. I got to where I could coddle mine into working most of the time, but it was unpredictable still.
 
My bad experience was a Kimber. I don't think I was the first customer complaint and I am willing to venture a guess I will not be the last. After a couple of trips to Yonkers NY and a ridiculous statement from customer service that a 600 round break in was required. It hit the milling machine out in the garage and got open up a few thousands here and there and retro fitted with some Wilson aftermarket parts from Brownelss. Now it runs like a Swiss Watch. All is good
 
Semi Auto Tech 9.
My hi point shoots more reliably in pouring rain than that tech 9 did on a perfect day.

literally could not put 3 rounds through it without a FTF, FTE, or the mag just plain falling out.

K
 
Jimenez Arms JA-22. The same as a Jennings, just a different name.

Jams often and has a really bad trigger. I've only shot 400 rounds through it so maybe it's still breaking-in :rolleyes:
 
No contest, a typical $60 .22LR caliber "ring of fire" pistol whose name I blanked out of my mind and don't remember. It never once failed to jam on the 3rd or 4th round of it's 7 round magazine. I finally had enough when the firing pin broke, and I got rid of it for $25 it at a gun buy-back sponsored by an Afro-American church in a high-crime area of town. I also got another $25 for a pot metal .22 derringer that would only fire the top barrel, and then the bullet would strike more or less 4 feet (that's 4 FEET, not 4 inches) above POA at 15 feet distance. Both clunkers are now rusting away on the bottom of the Gulf of Mexico, along with several hundred others like them that the deluded church ministers believed were responsible for all the crime in their neighborhood. For some unknown (at least to them) reason there is now much more violent crime in that part of town than there was before the buy-back. Gooollee Andy, how could that be?
 
Jennings 9mm, couldn't shoot 10 rounds without a failure. It was co-workers gun he purchased for like $75, I told him to get rid of it and buy something reliable the next week he sold it at a gun show for $150.
 
I don't think i've ever owned a semi auto that didn't jam at least, once in a while... BUT, the worst jam 0 matic i've ever owned was a Ruger 22 semi auto! What a POS!

I had a lot of those Jennings, and they were fixable, the Ruger wasn't! I still hate those Rugers to this day. lol

DM
 
My most unreliable semi-auto is my Ruger MkII. It suffers FTFs about every other mag. The FTFs are so annoying, I rarely shoot it. But, since it was my first handgun, I'll probably never sell it. I'll just get some new Ruger mags and see if that fixes the problem.
 
Colt 1911 gov't.

bang, bang, bang, click (ftf, fte, stovepipe, you name it.)

Expensive, gorgeous, and nice in the hand, but a massive fail as a defense tool.

I'll never ever buy another 1911 pattern weapon, ever ever ever again.
 
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