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new to me plainfield |
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68coupe
Recruit Joined: Oct 15 2019 Location: Pensacola, Fl Status: Offline Points: 22 |
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My '43 NPM has the same wear pattern to the feed ramp, only not as pronounced. It runs like a champ.
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Karl, 68 coupe
NPM, 43 Universal, 80 Kahr 1827-A1 Thompson 2019 SA M1 Garand 42 AO 1911A1 Taurus PT1911 Beretta M92(compact) |
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floydthecat
Hard Corps Joined: Oct 13 2016 Location: Mississippi Status: Offline Points: 1998 |
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Still guessing. Some commercial bolts have shallow plunger spring pockets. I have gutted Universals and Iver Johnsons that had very short plunger springs and long plungers. If the bolt will assemble with the plunger fully seated, it should still work, but I said we were guessing....still are. When you manually cycle the extractor with something like a screwdriver, does it move completely away from the inner cavity wall?
Is the extractor nose protruding past the bolt skirt? Are there any marks on the breech-face that could be made by the skirt or extractor striking it? Is head space too tight?
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Smokpole
Hard Corps Joined: Oct 21 2019 Location: Madison ohio Status: Offline Points: 1057 |
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Just a tip when putting the bolt back together....When you put the extractor plunger back into the spring before trying to push it down with the pawl, put a tiny dab of heavy grease or vaseline on the end of the spring first. It will hold the plunger in place long enough for you to get the pawl on it without the plunger jumping off and hiding in the carpet.
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OGCA Life member
NRA Life member Ashtabula Rod and Gun Life member |
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floydthecat
Hard Corps Joined: Oct 13 2016 Location: Mississippi Status: Offline Points: 1998 |
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There has to be a reason they altered the pressure on the extractor, but I have seen it in two IJ’s. I don’t know if the Plainfield in question came out of the IJ shop or not.
I have a pic of that system. I will see if I can find it. Here it is. One on left is GI. The right came from an IJ. |
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