CW45 (and other poly Kahr pistols): issues and fixes

[jocko]

Let us all give thanks for that!

certainly do EVERY DAY!!

[incusus]

Thank you! I'm going over my new CW45 now and identifying tweaks. I do not have the slide lock issue, but noticed the loose spring condition as an easily removed slide lock. once its throughly broken in, this is first on the list of things to do/recheck.

newbie thanks you much!

[gb6491]

Seeing as how there are variances in how slides are countersunk for the front sight posts on "C" (and "E") series guns, I thought I'd put up some diagrams in regards to what I've found is involved with "fitting" the Trijicon front night sight. YMMV.
First, do a dry run installation.
Check that the sight will fit flush on the slide. Then check the posts for correct clearance on the inside of the slide. Finally, install the screw and check that it holds the sight flush to the slide and fits correctly into the countersink.


*note - in the diagrams, fit of the sight posts in their holes and screw head in the countersink are exaggerated to show the parts clearly. The posts fit closely in real life and the screw head will be in contact with the sides/bottom of the countersink.

Once satisfied that the fit is correct, install using an adequate amount of red Loctite.

Post #27 contains instruction for removing the factory front sight and installing the Trijicon sight (some mention in post #1 as well).

Regards,
Greg

[PBJ]

Much thanks for the informative and detailed post.

[rkammer]

I've adjusted my slide stop spring per Gregs instructions and video and my gun functions perfectly. But, will that screw stay put over time and usage? Seems like constant recoil would tighten or loosen it over time. Is this not the case?

[TucsonMTB]

So long as you do not over tighten it and strip the threads, it will be just fine. Mine has not moved in the months and hundreds of rounds since adjusting the spring. Most people never have a need to mess with the screw at all.

[gb6491]

I've adjusted my slide stop spring per Gregs instructions and video and my gun functions perfectly. But, will that screw stay put over time and usage? Seems like constant recoil would tighten or loosen it over time. Is this not the case?

So long as you do not over tighten it and strip the threads, it will be just fine. Mine has not moved in the months and hundreds of rounds since adjusting the spring. Most people never have a need to mess with the screw at all.

Ray,
+1 on what TucsonMTb wrote.
The screw seems to stay put once adjusted. I say that because I check the movement/tension of the stop spring when I clean my C45 and 9; so far neither has needed adjustment. I believe spring wear would more likely create a need for adjustment than the screw moving.
Regards,
Greg

[joe d]

This is a great thread...This has helped me in so many ways w/ my CW45...This is without a doubt the most awesome gun forum around w/ the most knowledgeable and helpful people...No matter what issues you may have, everyone here looks to help...

[jocko]

I have replaced one slide stop spring in over 32K rounds and probably 300+side take offs. The screw won't move from where u last turned it. That is a fragile area to look at but we realy don't have any real issues in that area.One has to be careful , that is all. I wish there was a metal nsert that the screw threaded into but again it is a wish/dream.

[rkammer]

Thanks, guys. Much appreciated.