MK9 problems

[geronimo509]

First, let me say that I have carried this gun for a while and have about 500 rounds through it without a problem. That all changed this morning.

I went to the range today and had problems. Some background info; I haven't cleaned or lubed it in about a month and I carried it in my front pocket everyday(in a holster and I kept my pocket as clean as I could).

I shot my 124g Gold dots that I carry all the time. The chambered round fired fine, as did the next, but the third round failed to feed and nosedived into the feed ramp. That happened twice in my first two mags.

I field stripped it and wiped off some of the crud/ pocket lint that was in there and then lubed it.

The target rounds fired fine. But more gold dots had different types of failures. At least 3 or more times the fired shell casing did not eject and got stuck.

One time, the last round in the mag, the fired shell casing did not eject. It was stuck in the mag.

Now I want to believe that the problem was my lack of Cleaning and lubing. But, I have gone this long before without cleaning or lubing it and it worked just fine. Do you think the problem was that it was dirty and dry, even though I field stripped it and lubed it and the it still had the problems.

 

[97guns]

sounds like it might be a mag spring issue.

 

[geronimo509]

Someone on another forum said it might be the extractor. Has anyone else seen this before? I need THR's expertise.

The mag springs are still pretty strong

 

[rmfnla]

I would give it a thorough cleaning before doing anything else.

Trouble Shooting 101: Always try the simple stuff first.

 

[geronimo509]

I would give it a thorough cleaning before doing anything else.

I did that when I got home. I'm really hoping all of this happened because it was dirty and dry. I just need to get back to the range. Lets hope that or Kahr fixes it or I will have to find another pocket gun

 

[denfoote]

I had this SAME problem with my P5.
Cleaning the magazines cleared it up!!!

 

[chris in va]

I had that issue with my CZ 75BD. Did a thorough hose-out with Powder Blast, changed the magazines to MecGar and it mostly cleared it up. Thing actually shoots my reloads better than factory ammo as I crimp them really well.

 

[lanceman193]

I use Pro-Gold lubricant on the rails of my Kahr.I read somewhere that Kahrs like to be wet so I dab a little of this grease on with a q-tip.Also don't try to hand cycle the action.Just let the slide stop lever do the work when you insert a mag.Good luck !

 

[geronimo509]

Its hard to keep a pocket gun wet, but I guess I have to really try. The slide stop does the work, but none of my problems were on the first round from a fresh mag.

 

[Erik M]

you mentioned pocket lint, I would do a thorough cleaning of the mags and the weapon itself.

 

[geronimo509]

Well, I cleaned the crap out of my MK9 and had a much better experience today. I shot 250 rounds, 175 target and about 75 of my Gold dots. No failures of any kind!!!

However, I still think there is a problem with the way it extracts. It was spitting the brass to the right (normal), over my head (not the best) and sometimes to the left (just weird). All of this was in the middle of the mag. The last round just barely pops out to the left everytime (pretty much always did). But, why or how is the brass going in all different directions?

Also, the brass is kind of deform where the actually bullet was. I do not ever recall seeing that before, but I am not sure. I will post pictures of the brass in a few hours.

I am still going to carry it when I need to deeply conceal. Anyone think that is a really bad idea, or is it ok?

 

[denfoote]

I'm not sure what the round count is to replace your recoil spring. Call Kahr and ask, but at 500 rounds, it may be close. I've replaced mine a couple of times. Fortunately, they are inexpensive. The last one I bought was $12.

That may clear up your remaining problem.

 

[geronimo509]

Here is some of the brass. About half of it was all messed up looking and the other half was normal. sorry for the crappy cell phone pics. The one that shows the three casings, the one in the middle is round like it should be. Also, there is only a faint extractor/ejection marks. ?????????????????????

It is close to a thousand rounds after today. Do I have to take it to the range to test it if I replace the recoil spring and mag springs with factory parts?

 

[Vonderek]

My spent brass from my MK9 has always looked like picture #2 above^^

 

[geronimo509]

I just found out that the brass is supposed to look like that.

I just ordered a wolff extra power recoil spring 22.5lbs and guide rod set. Does anyone have anyone have any experience with that? Or should I call them and ask for the factory 20.5lb one?
I also ordered some mag springs.

 

[dfariswheel]

When the gun is working properly, why would you put stronger springs in?

These mini guns are already operating right on the edge of what's possible in such a small package.
The gun was carefully engineered and balanced with a spring the factory determined was the best one.
Changing to something heavier may well compromise reliability.

On the brass, remember, the Kahr is not a range toy or a target gun. It was specifically designed to be a "people shooter".
What the fired brass looks like is totally unimportant. Where it tosses the brass is totally unimportant, as long as its not in your face.
All that's important is that the gun is reliable.

Buy a factory spring.