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blackfish
On Point Joined: Mar 30 2016 Location: 999-0 Status: Offline Points: 290 |
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This is the way to troubleshoot your issue(s). Start with your barrelled receiver. Then assemble *all* of your friends parts onto it. You know his/her's works right? Does your's now work? If the problem is not "fixed", it lies with your barrelled receiver to wit check your barrel alignment to the receiver. If function is significantly better then you can start putting your parts back into the mix, one part at a time until badness reappears. |
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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I have tried my friends usgi mags and they act the same as my new ones. What does a tuneup consist of? When I got it, I replaced the recoil spring and guide, the ejector and extractor, the forog pin and all assorted parts. I cleaned the bolt in an ultrasonic cleaner with simple green. I lubed per the us army tech manual. All parts move smoothly and look appropriate. I can cycle rounds without firing and they all load and eject properly that way, but not when shot. I have fired new factory loads from remington, winchester and aquila , I have also fired my own hand loads using once fired brass from this firearm excluding any that did not cycle properly. I also put my friends entire lower trigger group in my rifle and shot with it as well with marrginally (maybe my imagination) better. That is all the news this afternoon.
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THE oldfart69
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David Albert
Hard Corps Status Quo Challenger Joined: Dec 27 2015 Location: Ohio Status: Offline Points: 1006 |
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Definitely try some USGI magazines. 90% of the time, problems like you mention are the result of magazine issues. If Kahr/AO Carbine magazines are anything like most Kahr/AO Thompson drums, I would eliminate them as a factor while troubleshooting your Carbine issues.
David Albert dalbert@sturmgewehr.com |
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NRA Life Member
Past Pres., The American Thompson Association Amer. Society of Arms Collectors OGCA/TCA/Carbine Club/GCA/IAA SAR Writer Author - The Many Firearm Designs of Eugene Reising Eagle Scout |
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floydthecat
Hard Corps Joined: Oct 13 2016 Location: Mississippi Status: Offline Points: 1998 |
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Over the course of the past few days, I have had the opportunity to gut a 41xxx Plainfield and a 5.5 Winnie. The Winnie is a mix-master and I cant’t swear it was never in M2 dress. However, the feed ramp in both receivers closely resemble the one here in question. I think it is highly likely that oldfart’s has been polished though....severely.
Plainfield barrels are skirtless and maybe the ramps were machined this way to improve feeding.....maybe. In any event, based in what I see and what OP says he saw at the range, this could obviously be the norm for Plainfield. This Plainfield I have here in my hands has never been disassembled. I need to add that after a tune-up and cleaning, both these guns run flawlessly with any magazine I shove in.
Edited by floydthecat - Aug 31 2019 at 1:58pm |
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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OK, thanks. 1. This is an m1 not an m2, it is a plainfield commercial type made somewhere between 1963 and 1976. 2. 4 of the 5 mags I have are nib 2 are 10 round and 2 are 15 rounds the 15's are auto-ordnance, the 10's are unknown but new. I have one 20 round that came with with rifle of unknown age and use (it has the hold open follower). 3 I am including a new photo I just found of a different plainfield than mine it was found on either this site or a sister forum. Virtually, it is identical to mine except for the shine. Wednesday, my friend who has a steering gear ww2 m1 will allow me to use his trigger group in my rifle just to eliminate another part group. hoping soon I can quit pestering all of you good guys, I am also asking my friend to bring his Us army tech guide which has detailed measurements. sigh. |
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THE oldfart69
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W5USMC
Moderator Group Joined: Apr 29 2017 Location: Missouri Status: Offline Points: 2966 |
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Seller 81mm on gunbroker usually has some USGI mags for sale, also J&G sales has some that are new old stock with a choice of Mfg. https://www.jgsales.com/m1-carbine-15rd-surplus-magazine,-original-usgi,-nice-blued-condition,-with-choice-of-mfg-available.-p-402.html?osCsid=f3c8e944f4eec07fdf32c0606c45b68c |
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Wayne
USMC Retired NRA Life Member |
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David Milisock
On Point Joined: Aug 03 2019 Location: USA Status: Offline Points: 334 |
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The magazine I show on the right had to have the right ear opened up just a tiny bit. I show it already repaired, but before it was repaired it failed in both my rifles. BTW I never slam a magazine home when placing it in the rifle.
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David Milisock
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David Milisock
On Point Joined: Aug 03 2019 Location: USA Status: Offline Points: 334 |
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Part of the receiver
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David Milisock
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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I will try to find some, so, what are good sources?
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THE oldfart69
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David Milisock
On Point Joined: Aug 03 2019 Location: USA Status: Offline Points: 334 |
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Ok here are the mag pictures, both mags as you see them pictured work in both carbines flawlessly. The magazine on the right as you can see has a vastly different right ear (that's right as you see them) I'm posting a second image with a red line accenting the ear angles. I am of the opinion that I would make sure that the ammo is viable, then look at the magazines ears, the springs, not just the magazine springs but the recoil spring, check the gas port and piston and clean the rifle very well removing grease and oil for testing.
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David Milisock
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David Milisock
On Point Joined: Aug 03 2019 Location: USA Status: Offline Points: 334 |
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I'm posting a few images of my feed ramps and then one of a magazine comparison. It's fairly clear to me that the feed ramp on my Inland has been polished at one time. The darker feed ramp is from my Quality Hardware Carbine, both feed flawlessly.
The only cycling issues I have had in the past were due to improper cold weather preparation methods and or underperforming ammunition. After resolving these issues the only other cycling issues I have had have been due to the unfortunate aspect of purchasing improperly manufacture or stored magazines. |
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David Milisock
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Bubba-7
Recruit Joined: Mar 06 2016 Location: Columbus, Ga. Status: Offline Points: 49 |
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After all you have done, I would check the gas nut to see if it is the late style. While it is out, I would size the gas port and be sure it is at least 0.070" dia. Then clean it.
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blackfish
On Point Joined: Mar 30 2016 Location: 999-0 Status: Offline Points: 290 |
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OK I'll take SPRINGS for $0.02 since I don't think that M2 receiver steel could have been worn down like that by a much softer material like copper even after thousands of rounds. But since I don't have my drawings with me, I can't really be sure. But since hand cycling "works" and "live" cycling doesnt ...
When was the last time you checked your magazine spring(s)? There's a right way and a wrong way to install them. Needless to say, the wrong orientation will function very poorly. How is your magazine spring oriented inside the magazine? You can't just stuff it in and close the end. SIDE VIEW OF SPRING (breech is on the left and muzzle on the right) \ / \ / The "arrowheads" point in direction of bullet travel when correctly installed If this is not revealing, get a known-to-be-good USGI mag (lots have been wrecked by end-user "tweaking" so BORROW one your eyes and ears tell you is functional at your range). See if that helps. |
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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so here is the unedited picture of the area in question. I am not sure but this could just be the area I used a dental scaler on to try and make use there was no crud in the receiver.
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THE oldfart69
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W5USMC
Moderator Group Joined: Apr 29 2017 Location: Missouri Status: Offline Points: 2966 |
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The feed ramp is part of the receiver. One thing, I know that you have mentioned trying a number of different magazines but I do not recall if any have been USGI mags, as mentioned by other members USGI magazines are the way to go. I personally think that your receiver's over ground feed ramp is the problem but USGI mags are not very expensive and may be worth a try. |
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Wayne
USMC Retired NRA Life Member |
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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yes, I can manually cycle live rounds just fine. i guess being as I am a little slow due to the ravages of oldness, it gives it enough time.
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THE oldfart69
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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THE oldfart69
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painter777
Hard Corps Joined: Feb 18 2016 Location: Central MI Status: Offline Points: 1718 |
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These don't have extreme wear. But maybe you can see enough to see what I mean.
HTH, CH-P777 |
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Living Free because of those that serve.....
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painter777
Hard Corps Joined: Feb 18 2016 Location: Central MI Status: Offline Points: 1718 |
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Olefart69,
Can you manually cycled rounds in and out of it without interruption? I've seen heavily used M2 receivers where the feed ramp has developed a groove on either side something like this- .......... /\........ but don't ever recall a ridge like seen on yours. I don't know if there is enough of a ramp left on yours to allow for more polishing to correct a feed problem. But before scrapping a receiver I'd have to attempt it. Only after everything else has been checked out and ruled good to go. Polished/grinding as a last resort kind of thing. |
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Living Free because of those that serve.....
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oldfart69
On Point Joined: Apr 07 2019 Location: Washington Status: Offline Points: 46 |
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So, is this repairable or should I just make it a wall hanger?
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THE oldfart69
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