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AR15.COM
3/1/2002 8:25:34 PM EDT
I own two models, MK9 and K40 - the latter just obtained in the last one month.

Both firearms have had the screws in the grips loosen and I have had a screw fall out while shooting,  which is not a good thing!!

The tech. folks at Kahr have recommended Loctite (blue).  anybody have a similiar problem and if so what was your solution?

Dennis
3/2/2002 2:59:09 AM EDT
[#1]
Hmmm, first I've heard of that.  I shoot my K9 a lot and with +P and +P+ loads and haven't had the screws loosen so far, although I do remove and replace the grips with each cleaning, so maybe I'm putting a screw driver to mine more often, don't know.
Are you using the hogue rubber grips or wood replacements?
A couple of solutions, besides loctite blue to consider.  Simple clear nail polish on the threads or replace with a set of hex head SS screws, I think they're available from Brownell's.
Have you mic'd or used a screw thread and pitch guide to check yours?  How about on the threaded holes of the grip frame?

Edited to add -
A check of the Kahr catalog shows replacement grip screws to $1.00 each, for a price comparison.
3/5/2002 4:31:03 PM EDT
[#2]

FYI: Contacted Brownell's, spoke to my gunsmith, and previously had contacted Kahr's tech folks - all three recommended Loctite (blue) for loose screws