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Old 06-21-2009, 05:36 PM   #1
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Mosin interrupter/ feed problem.

I'm having a feed problem with my 91/30 and wondered if any of you had any advice.

I've been noticing that when I load from a stripper clip I sometimes have a round try to nose dive instead of going into the chamber. It took me awhile to figure this out, but finally the penny dropped. If I have the rim of the top cartridge behind the rim of the lower cartridge the rim of the upper hooks and causes the cartridge to nose dive instead of feeding. Apparently when I load rounds individually I just always loaded them in such a manner that The upper is always ahead of the lower. I finally figured out that my interrupter isn't interrupting.

I removed the two parts of the interrupter and cleaned everything and then reinstalled it. Then I deliberately loaded two snap caps in such a way that the rim of the upper was behind the rim of the lower. Same problem.

So. Can I get away with bending the curved part of the interrupter a bit more so it will engage the next cartridge, or is that just asking to break a part. Given the reports of slow shipping from the suppliers I hate to have something broken that might keep me away from my toy.

Any suggestions?
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Old 06-21-2009, 06:22 PM   #2
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wish i didn't live in town or had snap caps so i could try it generoll sorry.If nobody has helped by monday noon i'll take a mn to work and see what i can see.
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Old 06-21-2009, 06:43 PM   #3
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I think when you load your stripper clips, you need to be careful to load them so the rims overlap the right way..
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Old 06-21-2009, 07:31 PM   #4
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If you load the lips with the second round in front of the first, and the third in front of the second, ETC................. whats the problem? Last come first loaded!
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Old 06-21-2009, 07:31 PM   #5
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My mosins do the same thing, I just learned to load my strippers with the rims in order of overlap, don't have that prob any more.
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Old 06-21-2009, 08:45 PM   #6
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i understand what you're saying about loading the stripper clips, but that doesn't really solve the problem. If that was the only way to do it then there would be a top and a bottom to each clip. Imagine a soldier trying to get it right in the heat of battle.

I think the interrupter is there for a reason. That reason being to keep the round below out of the way of the next round to be chambered. I just don't think it's working properly and I'm wondering if the problem is with the wall of the magazine being out of alignment or if the interrupter needs to be sticking out more. I can certainly load them as you said, top ahead of bottom, but that's not fixing the underlying problem.

The Enfield must have the same issue, only there you have two clips to load rather then one. This Mosin is my play toy. Since it was relatively inexpensive I'm fiddling around with it and I am wondering how to fix this.
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Old 06-21-2009, 09:23 PM   #7
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Are you sure the interrupter is installed properly? I think there is only one way for it to go in, but just making sure. I wonder if you can bend the spring a little more maybe that could help keep more tension on it so it might "interrupt" a little better. If you have more than one Mosin, try it in the rifle that is malfunctioning, or compare spring shape and part shape.
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Old 06-21-2009, 09:32 PM   #8
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This keeps coming up, and the answer is always the same: the interrupter in a Mosin is designed to keep the rims from interfering with each other. I've stuffed rounds any old way into every Mosin I own, without a feed problem. I've stacked them into a stripper clip each rim ahead of the rim under it, per people's instructions...then turned it upside down and stuffed them in so every rim was behind, instead. No problems....

You'll notice none of the military stripper clips have any "this end up" markings. And they surely would, if the order of the rims mattered.

edit:
Oops; I see Generoll already mentioned that.

I've been told that the order does matter on Enfields. But I only have one, and haven't fired it that much yet. Nor do I have any stripper clips for it.

By the way, when I shove rounds off a stripper clip with my thumb, I put my thumb as close to the rims as possible, and hook the tip of my little finger under the other end, to hold the top round level with the gun while I'm pushing. It sounds awkward but really isn't once you get the hang of it, and it's made all the difference in the world with some of my crankier Mosins.

Being a devout pessimist, Generoll, I wouldn't go bending on an interruptor until I had a spare already on hand....

Last edited by troy2000; 06-21-2009 at 09:39 PM.
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Old 06-21-2009, 09:35 PM   #9
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I also have an M39 so I'm gonna check that out as well. Something else that occurred to me. All of these Mosins are "arsenal refinished". Since they were selling her for as little as $69 are going through several middlemen, they can't have gotten much of a look over at the arsenal. Tomorrow I'm going to take my 91/30 apart again and see what happens when I have the magazine screwed tight to the action without the stock. I wonder of the fit of the rifle in the stock effects the way the interrupter reaches into the magazine to hold the round below.
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Old 06-21-2009, 10:01 PM   #10
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What Troy2000 said is true. Any advice on selecting certain order of rims for MN is useless, cause MN in good working order does not care about it. And pushing as close to the rims as possible helps a lot. If issue still there, check clip and interrupter.
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Old 06-21-2009, 11:30 PM   #11
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yeah, I went down and checked it out again. No problems with the M39. The interrupter doesn't seem to stick out far enough into the magazine on the 91/30 to do it's job. Either I distorted something when I bedded the action or the interrupter just wasn't made for this stock. I'll tweak it tomorrow and see what happens. I'm tempted to heat it with a torch, but I'm not confident of my ability to get the right temper back into it.
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Old 06-22-2009, 09:02 AM   #12
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Good luck. let us know how it works out.
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Old 06-22-2009, 12:20 PM   #13
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I just stuff the cartridges into the stripper clip any old how and provided the stripper clip is not worn or bent to the point the shells won't stay aligned, I have no problem stripping them into the magazine. Once in a long while I'll have a round that does not want to pop up to be fed into the chamber. In that case I just empty the magazine, close it up again, and reload one round at a time without using the stripper clip. No more trouble.

This is why I like the Mosin so much. To parody the insurance company ad, Mosins are so simple to use and maintain even a caveman could do it. (And in terms of mechanical aptitude, I'm not so far removed from that caveman! If I can keep them working, anyone can.)
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Old 06-22-2009, 01:03 PM   #14
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Quote:       Originally Posted by Cyrano View Post
I just stuff the cartridges into the stripper clip any old how and provided the stripper clip is not worn or bent to the point the shells won't stay aligned, I have no problem stripping them into the magazine. Once in a long while I'll have a round that does not want to pop up to be fed into the chamber. In that case I just empty the magazine, close it up again, and reload one round at a time without using the stripper clip. No more trouble.
This is why I like the Mosin so much. To parody the insurance company ad, Mosins are so simple to use and maintain even a caveman could do it. (And in terms of mechanical aptitude, I'm not so far removed from that caveman! If I can keep them working, anyone can.)

When I was in the service forty years ago, one of the biggest training headaches the Soviets had was teaching their military recruits to drive ... something pretty much taken for granted here as a basic skill.
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Old 06-22-2009, 01:57 PM   #15
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The stripper clip isn't the problem. It's the interrupter that's not functioning as it should. It was using the stripper clip that revealed the problem. When handloading individual rounds I guess it's just so intuitive that you load them ahead of the round below by default.
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Old 06-22-2009, 05:57 PM   #16
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"When I was in the service forty years ago, one of the biggest training headaches the Soviets had was teaching their military recruits to drive ... something pretty much taken for granted here as a basic skill. "

That is true. 40 years ago Soviets had may be 5-6 cars
per every 100 adult residents, so naturally, 94% of the population had no idea how to drive, but everybody knew how to ride in public transportation. That was our basic skill at that time.
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Old 06-22-2009, 06:07 PM   #17
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Quote:       Originally Posted by kortik View Post
"When I was in the service forty years ago, one of the biggest training headaches the Soviets had was teaching their military recruits to drive ... something pretty much taken for granted here as a basic skill. "

That is true. 40 years ago Soviets had may be 5-6 cars
per every 100 adult residents, so naturally, 94% of the population had no idea how to drive, but everybody knew how to ride in public transportation. That was our basic skill at that time.
I take it you're from somewhere in the old Soviet Union?
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Old 06-22-2009, 06:30 PM   #18
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Stripper clips? I guess I'm the odd one when it comes to that,I don't use them. Sure I have some and tryed them out and all,but I guess I just like to stuff them in the slow way. Stripper clips to me are kinda like loading twice. Yah I know
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Old 06-22-2009, 06:34 PM   #19
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Quote:       Originally Posted by jmeck View Post
Stripper clips? I guess I'm the odd one when it comes to that,I don't use them. Sure I have some and tryed them out and all,but I guess I just like to stuff them in the slow way. Stripper clips to me are kinda like loading twice. Yah I know
The way we usually use stripper clips is either to load up a batch while we're sitting around before we go, or have whoever isn't shooting at the moment reloading them.
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Old 06-22-2009, 07:05 PM   #20
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Quote:       Originally Posted by troy2000 View Post
The way we usually use stripper clips is either to load up a batch while we're sitting around before we go, or have whoever isn't shooting at the moment reloading them.
That would be faster.
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