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deerslayer last won the day on December 2 2024
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I remember when this issue started. Extractors were coming out of the bolt during normal firing. If it comes out when the bolt is fully recoiled into the receiver it can lock the bolt back and be a challenge to fix. Some guys started staking the extractor as mentioned above with generally good results reported. Kahr started pinning it in place. I think it's interesting that kahr didn't fix the problem by making sure the extractor and the corresponding extractor cut in the bolt arent made to the 1940's standard that still works perfectly well in vintage parts. Instead the new made parts quality is lower and requires a "fix". There was a time when the kahr guns extractor cut in the RECEIVER was changed from a broach cut (deep squared off slot) to a rotary tool cut. At that time putting a gi extractor into that gun would cause problems of not having enough clearance. The kahr extractors on the guns were rounded off to solve the clearance issue. There were a few guns I fixed by removing the barrel and enlarging the cut to allow clearance. Then you could put in a gi extractor. Kahr fairly soon started to make the rotary cut bigger. So that problem went away.
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Dead trigger issue. Next time you get a dead trigger, remove the magazine and look from the bottom if the firing pin is forward or back. If back, the bolt may not be quite all the way forward (out of battery) and the disconnector is stopping it from firing. Giving the bolt a little push forward may solve that instance. More rounds through the gun will self polish the parts to likely eliminate this. If you firing pin was forward in the dead trigger instance then the sear didn't grab the firing pin. Fixing that would require a new firing pin that is fit correctly.
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Did it ever double? (Two bangs with one trigger pull). A firing pin that hasn't been caught by the sear will move forward with the bolt and cause a jam. It looks like your extractor is loose. In the picture it appears like the rim of the case has caught on the extractor (and it's been pulled forward) Next time you take out the bolt see if you can move it back and forth.
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Just tap it gently in until it's just past flush. You will need a small punch. Try to stick the bolt in a vice while you do this. Test fit each direction first. The little splines may have a better grab in the hole one direction or the other. You want to put it in the direction that is the tightest. Not the easiest. You dont want it coming out in the middle of a recoil cycle while the bolt is back. That causes an incredible jam.
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I didn't find any good video for removing the firing pin, so after learning what I could, I made a video to show this. Broken firing pin that I had welded was previously installed. I had welded it to test the length before starting the next project which will be to create a new firing pin. When that's complete I'll show how to put this all back together. What I did learn putting it together was that it was very difficult and worked best for me putting the trigger in last.
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How well does the Thompson 1928 Supress?
deerslayer replied to Countryboy77's topic in Thompson Submachine Gun Message Board
Ive shot a 1928 with a hybrid 46 supressor. I wouldnt call it quite hearing safe but its certainly quieter. But i don't have a decibel measurement. I also have an older costal .45 supressor that I'd say is less quiet than the hybrid ever though it's larger. -
I did one of those for a customer. It went well. Nice and secure. Spun the adaptor so it would slide on, then milled the front sight so it would turn and lock.
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I have a hydraulic press with some tools i made to take off the comp. The barrel is just slightly bigger than the hole in the end of the comp, so one tool goes in the hole and with the comp secured you can push out the barrel. Before I used a press, I got by with a gear puller but that usually put a few marks on the comp.
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i know this isn't a semi auto, but slow motion video is one of my tools to figure out why a gun jams. I was looking for one of my videos but at the moment cant find one. Most phones have a slow or super slow motion setting. You can quickly find out if the bolt isn't recoiling far enough, mags not feeding right, or other problems.
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He said he's ready to shoot.
deerslayer replied to dismed's topic in Thompson Submachine Gun Message Board
First deer at age 9. I roamed the farm with a 22 rifle starting about 7