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Question: Fitting Norinco M 14 to USGI Wood Stock

This is a discussion on Question: Fitting Norinco M 14 to USGI Wood Stock within the Stock forums, part of the Rifle Forum category; New guy here, again . . . not sure where to post this question. A long time friend gave me a mid 90s Norinco M14 ...


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Old May 13th, 2020, 04:26 AM   #1
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Question: Fitting Norinco M 14 to USGI Wood Stock

New guy here, again . . . not sure where to post this question.

A long time friend gave me a mid 90s Norinco M14 Sporter which came on a USGI synthetic stock. After the purchase and his test fire, he bought a USGI wood stock which he installed and the rifle went into his closet where it has been for over 25 years until he gave it to me. He never fired it again after installation of wood stock. The synthetic stock is long gone.

I bought some USGI mags for the rifle and took it out to shoot, the mags would not lock into at the rear.

I removed the action from the stock, as per Tony Ben's video, and the mags worked fine. I called my friend and he was clueless too. We figured that maybe the USGI wood stock needs to be tweaked to fit the Norinco.

Has anyone here ever run into this or have any ideas on what and how to correct this problem?

Thanks for any help and or advice!

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Old May 13th, 2020, 05:25 AM   #2
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USGI stocks are cut for to allow for the addition of full auto parts, which the Chinese rifle aren't set up for. Which means there is a little bit of a gap on the right side, which allows the shorter Chinese connector lock pin to walk out. When that happens, the operating spring guide, which serves as the front attachment point for the magazine, falls out of position. So the mag won't latch. The fix is relatively easy. There are a couple of ways to do it.
Get a USGI lock pin, which is longer, and slight larger in diameter. Which means that it will need to be polished down. Put it into a drill chuck, and polish it with some fine sandpaper/emory cloth until it fits into the hole.
Or, glue a piece of a popsicle stick on the inside of the stock next to the connector lock pin. This fills the gap there, and works. One can also use some thick epoxy to do the same thing. However, if you do that, remember to put some form of release agent on the rifle metal so you don't glue the rifle into the stock.
I used the last method on all three of mine, until I finally got some USGI connector lock pins and modified them to fit.

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Last edited by Sailormilan2; May 13th, 2020 at 05:35 AM.
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Old May 17th, 2020, 03:44 AM   #3
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Quote:
Originally Posted by Sailormilan2 View Post
USGI stocks are cut for to allow for the addition of full auto parts, which the Chinese rifle aren't set up for. Which means there is a little bit of a gap on the right side, which allows the shorter Chinese connector lock pin to walk out. When that happens, the operating spring guide, which serves as the front attachment point for the magazine, falls out of position. So the mag won't latch. The fix is relatively easy. There are a couple of ways to do it.
Get a USGI lock pin, which is longer, and slight larger in diameter. Which means that it will need to be polished down. Put it into a drill chuck, and polish it with some fine sandpaper/emory cloth until it fits into the hole.
Or, glue a piece of a popsicle stick on the inside of the stock next to the connector lock pin. This fills the gap there, and works. One can also use some thick epoxy to do the same thing. However, if you do that, remember to put some form of release agent on the rifle metal so you don't glue the rifle into the stock.
I used the last method on all three of mine, until I finally got some USGI connector lock pins and modified them to fit.
I don't think that is the issue, with the action out of the stock the mags lock in just fine, and it also operated very well in the original USGI fiber stock when my friend test fired it.

I'm sure it must be related to the wood stock but don't have a clue of where to start looking. I'd hate to start carving up a nice stock not knowing what I'm doing.

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Old May 23rd, 2020, 08:02 AM   #4
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I had the same problem when I put my M305 into a USGI Walnut stock.
The factory Norinco 5rd and 20rd magazines would lock into place no problem but when I bought two more aftermarket 20rd magazines (not sure of make) they wouldn't lock at all.
After some examination of the rifle I couldn't really define anything much on the rifle that would allow one mag to lock into place and not the other so I turned my attention to the magazines and found that the electro welded rectangular block at the upper rear of the aftermarket magazines was slightly longer than the Norinco ones, this stopped the magazine release catch riding over and locking into place under the block on the magazine.
I had two possible solutions come to mind, one is to shorten the top of the magazine catch, but then the Norinco mags would be loose. Or I could carefully Dremel away metal from the bottom of the aftermarket magazines testing often for that 'click' when it locks in place.
I opted to modify the block on the back of the aftermarket magazines and they all lock solidly in place now.
Hope I helped.

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Old May 23rd, 2020, 12:10 PM   #5
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What likely is happening is not an unusual problem. The GI stock is very slightly more shallow at the mag well than is a Chinese stock. With a GI stock, the magazine will "bottom out" against the receiver before the the locking tab on the magazine can fully move beyond the mag catch so it will lock in place. What happens with a GI stock on a Chinese rifle is that the trigger housing fits too closely up toward the receiver. To test this, get a couple of index cards and cut some small pieces to act as shims and place them between the stock and the seating pads of the trigger housing. Two or possibly three on each side should be sufficient. After you have the shims in place, try inserting the GI magazine and see if it locks in place. If it does, your problem is solved. If not, add a shim on each side until it does lock in place. You can continue to use the paper shims, or a permanent fix is to bed the trigger housing at the pads, or glue some shims made from an aluminum can under the pads, or glue a small piece of wood where the pad rests and shape to fit.

Let us know if this solves the problem.


Last edited by GardenValley; May 23rd, 2020 at 03:54 PM. Reason: Clarity
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Old May 23rd, 2020, 04:52 PM   #6
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Quote:
Originally Posted by NOMISS View Post
I had the same problem when I put my M305 into a USGI Walnut stock.
The factory Norinco 5rd and 20rd magazines would lock into place no problem but when I bought two more aftermarket 20rd magazines (not sure of make) they wouldn't lock at all.
After some examination of the rifle I couldn't really define anything much on the rifle that would allow one mag to lock into place and not the other so I turned my attention to the magazines and found that the electro welded rectangular block at the upper rear of the aftermarket magazines was slightly longer than the Norinco ones, this stopped the magazine release catch riding over and locking into place under the block on the magazine.
I had two possible solutions come to mind, one is to shorten the top of the magazine catch, but then the Norinco mags would be loose. Or I could carefully Dremel away metal from the bottom of the aftermarket magazines testing often for that 'click' when it locks in place.
I opted to modify the block on the back of the aftermarket magazines and they all lock solidly in place now.
Hope I helped.
I had the same issue and fixed it the same way as you. I probably had to remove some .015 to get the mags to click and lock up. Have not had any problems since.

Thanks from NOMISS and RealReglarGuy
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Old May 25th, 2020, 02:34 AM   #7
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INFO UPDATE: I borrowed an old beat up USGI fiberglass stock from another guy to test and the Norinco fit in and worked perfect. Oh, and with the action out of the wood stock it also accepts magazines just fine.

Looks like Garden Valley is correct about the USGI wooden stocks being thicker.

A very nice fellow here has offered to send me an original Polytech stock so I can at least play with this rifle until I get it set up in a USGI stock. Looks like a USGI fiberglass is my best option . . . . but that will be another can of worms to investigate . . . don't know anything about those either!

About this connector pin walking out several guys have told me about . . . I took a pic of mine. Does this look right? Should it be sticking out this far?

How about this flash hider? What gives with this? How could I get it off to clean or upgrade the gas system?
Attached Images
File Type: jpg Norinco M14 Connector Pin.JPG (867.6 KB, 3 views)
File Type: jpg DSC03681.JPG (806.8 KB, 3 views)
File Type: jpg DSC03689.JPG (884.7 KB, 2 views)

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Old May 25th, 2020, 02:55 AM   #8
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Oh, one other thing while I'm here . . . my friend told me this rifle had almost no usage and that's why he bought it, the throat measured a +1, I think he said. Also it has a very low serial number which means it is one of the better Norincos.

Here are some pics of the receiver. Can anyone tell me when this rifle was made and when it came into the USA?

Thanks for any help!
Attached Images
File Type: jpg DSC03684.JPG (763.5 KB, 5 views)
File Type: jpg DSC03685.JPG (814.3 KB, 2 views)
File Type: jpg DSC03687.JPG (813.3 KB, 2 views)

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Old May 25th, 2020, 11:50 AM   #9
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Quote:
Originally Posted by RealReglarGuy View Post
INFO UPDATE: I borrowed an old beat up USGI fiberglass stock from another guy to test and the Norinco fit in and worked perfect. Oh, and with the action out of the wood stock it also accepts magazines just fine.

Looks like Garden Valley is correct about the USGI wooden stocks being thicker.

A very nice fellow here has offered to send me an original Polytech stock so I can at least play with this rifle until I get it set up in a USGI stock. Looks like a USGI fiberglass is my best option . . . . but that will be another can of worms to investigate . . . don't know anything about those either!

About this connector pin walking out several guys have told me about . . . I took a pic of mine. Does this look right? Should it be sticking out this far? Yes. Replace it with a GI pin. The GI stock is inletted to accept the connector assembly and the Chinese is not, so there is more room in the GI stock for the pin to walk out. If you want to solve the problem the crude way you can glue a piece of a popsicle stick inside the GI stock.

How about this flash hider? What gives with this? How could I get it off to clean or upgrade the gas system? Use a Dremel tool with a cut off wheel. Be careful not to cut so deep you go into the threads. Then replace it with a GI Flash Suppressor. I don't recall if the Flash Suppress Lock Nut is standard or metric threads as the Chinese rifles have a mix of both types.
My views in red.

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Old May 25th, 2020, 02:46 PM   #10
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On the subject of muzzle threads, I replaced the nasty Chinese flash suppressor on my M305 with a nice USGI flash suppressor and USGI castle nut and the castle nut threaded straight onto the barrel, the flash suppressor did require some gentle persuasion with a mallet to seat on the splines though.

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Old May 25th, 2020, 03:20 PM   #11
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Hello,
The Irish man is correct...
And, check out the the Norinco S/N Database thread for an appox. DOM. Lee "Different" Emerson has very good info on these rifles. Happy reading.

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Old May 25th, 2020, 08:42 PM   #12
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I had a problem with my poly with mags binding in a usgi stock. It was the chinese handguard resting on the wood. It raised the front part of the receiver. Tony Ben mentions a gap between the stock and handguard in one of his videos. Changed to a usgi handguard and the gap was there. Mags work normally. Perhaps there is contact between the bottom of the handguard and stock. Also fixed the draw pressure.

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