Anyone have a Mosin Nagant that can help me out?

[josh817]

Searched around all this morning for the problem but I can't find much about it... I have a '36 Mosin Nagant, put the ATI stock on it, found that the interrupter was preventing the bottom 3 rounds from loading. I went back online and remembered people saying they needed to grind a little on the inside of the stock next to the receiver because the stock didn't allow any room for the interrupter to push out. So I went ahead and did that but still have the same problem.

 

Symptoms I'm getting; when you load 5 rounds into the magazine, the top two rounds sit above the interrupter and they cycle fine. After the second round is fired, you look in, and see that the last three are being held back by the interrupter. I go in with a flat head screw driver and push the interrupter back, and they pop up, so I have good spring pressure.

 

 

I originally thought the spent shell, when pulling back on the bolt, pushes down the ejector/interrupter, thus allowing the next round to come up. I was wrong, apparently when you push the bolt forward, it depresses the interrupter and the next round pops up.... So do I have a messed up bolt?

 

 

To make sure we're on the same page, this little guy is what I'm talking about:

 

 

 

Don't really mind the problem, it's a cheap gun, but it's just a little annoying.

Edited January 6, 2012 by josh817

[Rival5]

You say two rounds above interrupter, that does not sound right to me.

Here's a video of the internal working of the mosin.

 

Does the interrupter get out of the way with the stock off?

[clutchdust]

Question is, is this problem new since the ATI stock? Or was it pre-existing? I don't have any experience with the ATI on the MN so can't say in that respect. I do have a friend that put the Monte Carlo stock on his 91/30. Aside from some minor trimming to get the right fit, he reports that it functions very nicely.

It does seem odd that the first two rounds feed fine, then the problem occurs after that. Does it matter if it's just three rounds versus a full clip?

[josh817]

I never shot with the wood stock. Forgot it at my dads shop so I can't tear it down real fast. I didn't have to trim mine at all. It was a tight fit, had to tighten the bolts to pull the receiver into the stock so I could see how some may want to trim it.

 

The reason why it cycles the first two rounds fine is because the first two rounds sit above the interrupter. I could take two rounds only, and load them in, if I push them down deep enough to pop under the interrupter, then the same thing will happen.

 

If you have a Mosin pull it out and take a look at it. You will see when you push a round in, it snaps in once, and then push it further into the mag and it snaps in below the interrupter. When this happens on a properly working MN, all you need to do is close the bolt. The bolt won't pick up the round but the way the action works, when you close the bolt it should depress the interrupter and the round will pop up so that when you cycle the bolt again it grabs the round. Refer to the youtube video I linked.