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Thread: CW380 Extractor

  1. #1

    Default CW380 Extractor

    Hello All!

    I was wondering if anyone knows if Kahr is using a new extractor in the cw380s, since so many of the issues with FTFeed and FT Go into battery seem to be related to an improper extractor. From reading a lot, it seems that an "extractor modification" or "rounding off of part of the extractor" has solved a bunch of people's problems. Does anyone know if Kahr is aware of this, or have issued a new type of extractor? Has anyone gotten a CW380 back from the mothership and seen extractor work done? Any insight would be appreciated. Thank you.

  2. #2
    Join Date
    Feb 2015
    Posts
    135

    Default

    I seem to be in the minority here, but changing the extractor will not help the problem if the extractor tension is too much. I would check that first.

  3. #3
    Join Date
    Nov 2011
    Location
    Kalamazoo, MI
    Posts
    768

    Default

    Quote Originally Posted by markman View Post
    I seem to be in the minority here, but changing the extractor will not help the problem if the extractor tension is too much. I would check that first.
    +1...

  4. #4

    Default

    Thanks all. Does Kahr (or any aftermarket company) make a shorter rear extractor pin for the cw380? In reading, it appears that a shorter pin helps tremendously with cycling issues.

  5. #5
    Join Date
    Aug 2016
    Posts
    593

    Default

    There's basically 3 different modifications to the extractor mechanism that can be found on this forum.

    1 - Rounding the bottom edge of the extractor "claw" to allow a casing to slide under it easier.

    Kahr must be aware of this, as all 3 of my 380s came from the factory with that bottom edge ground off at an angle.

    2- Removing material from the inside of the extractor "post".

    I removed .010" of material from my extractor posts on the inside of the post, and this did the trick for me. HOWEVER, this mod also reduces the extractor tension as well.

    3 - Remove material from the rear extractor pin to lessen extractor tension.

    Markman did a fine job of bringing the real issue of extractor tension to the forefront. I agree that this is the root cause of the 380 feed problems, and the easiest fix to do.

    That pin is a $2 part, so there's not much risk with ruining anything expensive. Markman also uses a simple but effective way to actually measure extractor tension.

    IIRC, somewhere under 2 lbs was the magic number. And yes, Kahr is aware of the extractor tension being the cause of the 380 feed problems (or most of them).

  6. #6

    Default

    Thank you very much for the reply.

  7. #7
    Join Date
    Aug 2016
    Posts
    593

    Default

    Quote Originally Posted by miamivicedade View Post
    Thanks all. Does Kahr (or any aftermarket company) make a shorter rear extractor pin for the cw380? In reading, it appears that a shorter pin helps tremendously with cycling issues.

    Not that I'm aware of. Gonna have to do it yourself....

    If I had to do another 380 that had feed issues, I'd cut off a piece from the back of an appropriate size drill bit, and work with that. A dremel with a cutoff wheel and a set of digital calipers would help.

    Someone on this forum cut a coil or two off their extractor spring and got the desired result - just another option....

  8. #8
    Join Date
    Feb 2015
    Posts
    135

    Default

    It might help to read this thread below. It explains one way to measure the extractor tension. The mods said they were going to make it a "Sticky" then changed their minds.

    http://www.kahrtalk.com/showthread.p...80-first-shots

  9. #9
    Join Date
    Nov 2011
    Location
    Kalamazoo, MI
    Posts
    768

    Default

    My CW380 had failure to fully go into battery issues when it was new, even after 200 rounds. The rounds were hanging going behind the extractor. I started by filing the extractor post and rounding the bottom of the claw. That took care of about 25% of the issue. I ordered a new extractor and that took care of another 25%. The new one just worked better than the modified one. I measured the total length of the extractor pins and spring from my P380, which is flawless, and took about .022" off the length of the rear pin to make the total stack the same. That solved the rest of the problem completely. I had it at the range today for 100 rounds of PMC Bronze and 12 of Hornady Critical Defense. The gun was flawless. No failures of any kind. Were I to do it all again I might start with shortening the rear pin. Would I rather the gun was perfect out of the box? Absolutely. Did I mind fiddling around learning about the gun and fixing it myself? Absolutely not. I enjoyed myself because I'm pretty mechanical and now I have a perfectly functioning CW380.

  10. #10
    Join Date
    Jan 2014
    Posts
    839

    Default

    I can only add anecdotally:

    I had a CW380 a few years ago that was an absolute dud. Lots of rounds and a trip back to Kahr didnít fix it. Constant FTRB.

    I bought a CT380 earlier this year and it functions really well including cycling Lehigh Xtreme Defense and Penetrator rounds.

    muggsy: Let's face it, being shot by a .380 will ruin anyone's day.

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