FIXED Kahr K9 non locking back after the last round FIXED!

[cgpeanut]

OK, Just got back from the the Nashville Armory Shooting Range and may I say that facility is state of the art very nice and clean everything new and yes I signed up to be a member :)

Anyway, I got to shoot my K9 and PM9 side by side using two 7 round magazines, out of 100 rounds I shot with the K9, it's slide refuses to lock back at least 10 times, that's every magazine!

I shot the next 100 rounds on the PM9 using the same 7 round magazines and nada PM9's slide always locked back no problem. which tells me somethings out of spec in the K9. 7 rd mags are good.

Added new #22 recoil springs, stricker spring, extractor spring, stricker block spring, and stainless steel guide rod on the K9 and also used 9mm 124gr winchester nato to rule out the ammo. no relaods! I've also blasted the frame assembly with CRC brake cleaner to make sure nothing is slipping due to excess oil/lube.

question now is how hard is it to replace "myself" the slide stop spring and pin? is it as difficult as the trigger spring where you need a special two ton press?

please help. K9 is a great shooter and a keeper but it will also act as a daily CCW gun rotating with th PM9.

[cjm2022]

pretty sure the slide stop is pushed up by the magazine when you run out of rounds so the spring is the magazine spring.

also the slide stop is just the take down pin

[cjm2022]

so to answer your question very easy

[gb6491]

I haven't heard of many folks replacing the slide stop spring on their K9s, but I suspect the pin will not be as difficult to remove as the trigger pivot pin is. I don't have my K9 anymore, so I'm guessing spring tension helps hold the pin in the frame, so you would have to relieve that before attemping to remove the pin. The pin may also install/remove in a specific direction.
I think I'd go with a new slide stop before I'd swap out the spring.
Regards,
Greg

[cgpeanut]

Ahh thanks if its just the slide stop pin then thats the easiest fix yet :)

I'll call kahr cs monday see what they say


Thanks again

Sent from my MB860 using Tapatalk 2

[Jaguar]

It could also be the magazine release in the grip catching the follower in the magazine and not allowing it to engage the slide stop. Fairly easy to tell, run through a full mag and when it doesn't lock back, pull the slide open and see if the follower is up or caught. To fix, you can modify the magazine follower by sanding where it is catching the release (easy), or take a little off the magazine release (difficult).

[jocko]

I haven't heard of many folks replacing the slide stop spring on their K9s, but I suspect the pin will not be as difficult to remove as the trigger pivot pin is. I don't have my K9 anymore, so I'm guessing spring tension helps hold the pin in the frame, so you would have to relieve that before attemping to remove the pin. The pin may also install/remove in a specific direction.
I think I'd go with a new slide stop before I'd swap out the spring.
Regards,
Greg

the slide stop spring does onejob and thtis to pull the slide stop lever downward. Onbly the magazine follower picks up the slide stop on the K9, U can't get that slide stop spring out of whack, It can break. I think we have seen one on here boefore but then it will lock open all the time. Also that slide stop one peace spring (rod) on the right inside of the frame is also held in by a oh so small ass drift pin, that has to comeout first. It can be a bugger if u don't have the ridght punch pin. If it ain't broke, in that area, then I would try to seeif a new slide stop lever would solve the issue. GB is right, and also we don't know if the prior owner had done any slide stop mods to that lever either.

Now again it is all about timing, so if it was my gun I would get a new recdoil spring and start there first. A recoil spring seems to bring alot of things in better focus.. We don't know what # recoil spring is in thegun either. Factory weight or heavier or maybe never replaced either

My bet would be, get a new slide stop lever and recoil spring and start from there. U just need to eliminate all the possabilities. Also check out the ol thumb culprit to. Shoot it left handed to see if the issue goes away.

try the same magazine that is giving issues with range fodder ammo with now defense hot stuff to see if it duplicates the issue.

[jocko]

It could also be the magazine release in the grip catching the follower in the magazine and not allowing it to engage the slide stop. Fairly easy to tell, run through a full mag and when it doesn't lock back, pull the slide open and see if the follower is up or caught. To fix, you can modify the magazine follower by sanding where it is catching the release (easy), or take a little off the magazine release (difficult).

magazine release button on a K9 is completly different than all the other khar polymer guns. If u hav eto modify anything modify the follower, leave the mag release alone. It is a multiple peace release.

[cgpeanut]

After talking with Kahr service and explaining my problem with the K9 (slide not locking back after the last round), the nice lady mentioned it could be the slide stop spring and that she replaced one by herself and it's an easy fix you will need a #6 torx bit to punch the small pin out, she also mentioned she'll send me a new one at no charge :) well, days past and I got impatient and figured might as well learn to dismantle the spring before the replacement part arrives, so I took a small flat head jewelers screw driver and push the slide stop spring downwards making sure it's properly positioned before I punch that tiny pin out...... it CLICKED :) hmm I thought,
I might have just solved the problem basically reseating that spring back into the groove..

So off to the range I go, shot 100 rounds and no malfunction Yipee!.

[tv_racin_fan]

That spring has to be in the right attitude when you reinstall the slidestop lever else it does not act on the lever correctly. RE READ the manual again and again. My guess is someone installed the slide stop lever incorrectly. You fixed the jam, now to not jam it again in takedown/reassembly.

I can't say anything about other Kahr handguns as I only have experience with the CW9 and the K9. I like em both but prefer the K9 big time... and I have a couple of the older slab side carbon steel versions.

http://i302.photobucket.com/albums/nn112/tv_racin_fan/PairofK9s.jpg

One of these days I am gunna break down and have a melt job done on the stock one.

[jocko]

After talking with Kahr service and explaining my problem with the K9 (slide not locking back after the last round), the nice lady mentioned it could be the slide stop spring and that she replaced one by herself and it's an easy fix you will need a #6 torx bit to punch the small pin out, she also mentioned she'll send me a new one at no charge :) well, days past and I got impatient and figured might as well learn to dismantle the spring before the replacement part arrives, so I took a small flat head jewelers screw driver and push the slide stop spring downwards making sure it's properly positioned before I punch that tiny pin out...... it CLICKED :) hmm I thought,
I might have just solved the problem basically reseating that spring back into the groove..

So off to the range I go, shot 100 rounds and no malfunction Yipee!.

u really did anice job there. I did not know therw was a groove for that spring to ride in either, so that is good to know for the next person who might have a question about his K9. very nice job indeed.

[cgpeanut]

Thanks everyone! Yeah the the slide stop spring part #29 on the manual rests on a grove which is part of the entire lower frame, the small slide stop spring retaining pin #30 holds it in place BUT only at that v-shape part at one end, there's noting hold the spring at the other end and that's the one that got mis-aligned also this end holds the slid stop #28 inplace, just push it down and you'll hear a click and your'e done. Jocko is right you'll never need to replace anything in the frame they are basically boollit proof!

Here's the K9 in it's final form, added the plain Bedair Stainless Steel guide rod, PM9 metal base plate and 1911 slim screws that's it! no more mods/additions, It's going to be my primary CCW in the winter with the custom crossbred iwb as the holster. :) simple and effective.

The guide rod is a bit heavier than the stock, might help in reducing recoil but never noticed it, metal base plate definitely made it look slicker IMHO.

[Jaguar]

... metal base plate definitely made it look slicker IMHO.

I agree with your humble opinion. Where do you get the metal base plates?

[gb6491]

Well done!

[cgpeanut]

@Jaguar, There's two parts needed both are parts from the PM9, magazine metal base lock and metal magazine base you can get them at Khar's website. Here's my day at the range with the K-9 @ 12 yards, I'm a bit off today.

[Nimrod]

I would say you are not too much off! Nice shooting.

[Jaguar]

Thanks for the info, and nice shooting. :33:

[tv_racin_fan]

I prefer the metal base plates myself. Just aint interested in paying that price for them.

[newpm9er]

Yes...I too would like to know where to buy the metal base plates.


I agree with your humble opinion. Where do you get the metal base plates?

[gb6491]

Yes...I too would like to know where to buy the metal base plates.
Here ya go:
http://www.kahr.com/Magazines/Kahr-Steel-Magazine-Base-Kit-9-mm-and-40-SandW.asp
http://www.kahr.com/Magazines/Kahr-Steel-Magazine-Base-Kit-Black.asp
Regards,
Greg