Why does the intratec tec 9 jam?

hard to say without pics of the jams. Is it jamming on insertion or extraction? I have a couple of the tec22's and the biggest reason they jam is the ejector gets a little worn. The only Tec9 I have played with was brand new and fired flawlessly for us.

Imho they are junk.

It jams because it is crap...

Sorry, but that's just the way things are.

they're impractical, unreliable, heavy, inaccurate, silly looking, etc.

but the good news is there is always someone looking for one. bring it to your next gun show and sell it for new glock.

Wasn't that what that guy in Times square was using when he tried to shoot it out with Police. It Jammed and the police pistols didn't . He lost DRT
Why would you trade for one.

These are just the type of weapons I enjoy collecting. Most can be made to be very reliable, they just take someone with a brain and the willingness to apply a little work, unlike most of the youth these days.
The one that I played with looked like the mag did not sit far enough into the action. A little wear and it probably will start to have feeding issues. All magazine fed weapons can have trouble feeding if the magazine is not set up correctly. Heck even the beloved glock can be stopped with a little adjusting to the mag. A revolver will stop working once the timing of the cylinder gets too far out of adjustment. This does not make them bad weapons just ones that need a little work. Sometimes the work required exceeds the value of the piece but that is up to the owner to decide.

I've had my Tec-9 since about 88 or 89, and can share a little. No, they are not pretty. The fit and finish leave a lot to be desired, especially on later production guns, but the basic design does have some flaws.

The users manual specifies ball ammo.
If you grip the magazine, you will experience a failure to feed.
If you limp wrist it, you will experience a failure to eject.
You may need a thorough cleaning - takedown is straightforward and easy.
NEVER dry fire it - you will break the tip from your firing pin.

On the plus side, it can be a lot of fun, and mine is extraordinarily accurate, surprisingly more so than other, more expensive handguns in my collection.

It jams because it is a poorly constructed gangbanger pistol.

It jams because it is a poorly constructed gangbanger pistol.

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So it was made to be a gangbanger's gun?

Nope, just a poorly constructed pistol, that lots of wannabe gangsters own.

It makes you question their marketing when they advertise that the texture on the plastic grip makes IDing fingerprints impossible. Who is their target market????

99% of the magazines available for the guns are aftermarket junk of the highest order, and responsible for the vast majority of the malfunctions.

I have yet to see one that does not work with the two reference mags I kept after fixing them in the shop for years.

The key to look for is welded-on front strips on the magazine - to lock in the floorplate and to lock the magazine into the gun. Ones with punched out tabs and other dubious and cheaper locking mechanisms rarely work.

As far as inaccurate, it's a matter of the shooter. The ones I've fired are minute of B27 to 50m. Would I bring one to a high-power match (well, yea, I would, just to make the fogeys mutter) and expect to win? Nope. But people give the guns a lot less credit than they desire.

I keep one around not for shooting but for reference and demonstration, and because I get a ton of questions still about them having written the assembly/disassembly manual with photos people still find online.

I always wanted a tec 9 for a fun gun, but I've never seen one in real life except for when I took my conceal carry class. The instructor had one to show off, and I think he bored it from someone else.

However, I think there are a lot better designs out there that are more available and easier to get quality parts/mags for.

I second selling it at a gun show.

Because its an Intratec Tec 9.

By jam what precisely do you mean? There are many things that could be causing it, improper recoil spring, magazine problem, chamber out of spec, maybe it just doesn't like the ammo, etc. First thing to try would be new magazines and/or new ammo, but not at the same time so you can test them separately.

From what I understand Masterpiece arms makes a much better version of the tec 9. I've always wanted one just for the hell of it.

From what I understand Masterpiece arms makes a much better version of the tec 9. I've always wanted one just for the hell of it.

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That's the semi-auto versions of the Mac-10/11, radically different weapons.

That's why the guy traded with you, he got the better end of the deal.