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Old 01-03-2012, 11:02 AM   #1
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Ammo Feed Problem

My 91/30 will not feed reliably fromt he magazine--it's for practical intents and purposes a single shot. Is this common? If it is, Is there a fix that's within the grasp of the average owner? Or is it a wall hanger?
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Old 01-03-2012, 11:07 AM   #2
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Where is the round in the magazine getting caught up? Could be the interrupter getting caught or the rims getting caught on each other.
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Old 01-03-2012, 11:08 AM   #3
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Be sure you have the rims of the cartridges positioned correctly. The top cartridge must have its rim in front of the one below it, and subsequently all the lower cartridges should positioned that way as well. If not the bolt is attempting to strip 2 or more rounds out of the magazine at the same time.
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Old 01-03-2012, 11:33 AM   #4
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Check to be sure the magazine is properly mated to the bottom of the action. There should be little, if any- gap visible between the two.
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Old 01-03-2012, 12:32 PM   #5
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Is it the factory stock or an aftermarket?
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Old 01-03-2012, 01:06 PM   #6
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Quote:       Originally Posted by Tha Dave View Post
Is it the factory stock or an aftermarket?
either way, make sure there's room for the interupter/ejecter to do it's job and that it's not stuck.
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Old 01-03-2012, 01:39 PM   #7
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Quote:       Originally Posted by ChaZam View Post
Be sure you have the rims of the cartridges positioned correctly. The top cartridge must have its rim in front of the one below it, and subsequently all the lower cartridges should positioned that way as well. If not the bolt is attempting to strip 2 or more rounds out of the magazine at the same time.
What ChaZam said. I position my Mosin ammo with the first round in the stripper clip with the rim resting against the back of the clip, the second round with its rim resting on the rim of the first round, the third round flush with its rim supporting the second and the fourth rounds, and the last round flush and supporting the rim of the fourth. I call it "zigzag loading." I've never had a failure to feed using this system, so take it for what it is worth.
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Old 01-03-2012, 02:31 PM   #8
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Quote:       Originally Posted by Tha Dave View Post
Is it the factory stock or an aftermarket?
Factory.
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Old 01-03-2012, 04:11 PM   #9
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Stoppage

If rounds are sitting in the mag they should be held down by the cartridge interuppter, Actuating the bolt causes the interrupter to move aside and allow a single round to spring free of the others for feeding, the Interrupter is supposed to do away with rimlock, if the interupter is not releasing rounds as the bolt is cycled you have excessive tolerance between the bolt and the interrupter, when this ctg interrupter works properly it shouldnt matter what way you stack ctg rims in the mag.
I'd suggest removing the interrupter and check it for Burrs or mabe Cosmoline gumming it up or is worn out or improperly installed.
This same type interrupter system also is used in the Winchester model 1895 leveraction rifle as well for the rimmed rounds in Box mag repeating rifle
With some studing you'll discover rimmed cartridge interrupter systems of diffrent types in all the early boltaction rifles.
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Old 01-03-2012, 07:33 PM   #10
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Thanks for posting that, I am not having issues but I like knowing as much as I can about the firearms I own so it was a good bit of info.
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Old 01-03-2012, 10:54 PM   #11
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Sometimes there is not quite enough clearance in the stock for the interrupter to work right. I just releive the wood a little bit right where the interrupter is close to the stock. That has solved the problem I had of the rims locking.

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Old 01-04-2012, 01:22 PM   #12
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The Good news is.

The Good News is, if your interrupter is working as it should, it dont matter how you stack rims in a charger strip (stripper clip), the interrupter takes care of all that for you!
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Old 01-04-2012, 02:56 PM   #13
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Quote:       Originally Posted by Rex in OTZ View Post
The Good News is, if your interrupter is working as it should, it dont matter how you stack rims in a charger strip (stripper clip), the interrupter takes care of all that for you!
Yup. It is supposed to. The problem is that it doesn't always work the way it is supposed to, even if everything looks okay. The best you can do is mess with it until you get it so it works right most of the time. I don't take a chance in competition, particularly in a timed event. I load my stripper clips so that the rims are stacked forward from the bottom to the top. It is easy to do, when you are loading a clip. If you hold the clip vertically, the tendancy is for the cartridge to droop down, when it is in the clip. When you put the next one in, the rim of the one in the clip is tilted forward, making it easy and natural for the rim of the next one to go behind the one that is already in the clip. Load five and flip it over. When you load the clip into the rifle, just make sure that the cartridges are tilted up, not down. It is easy to see the difference.

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Old 01-04-2012, 08:10 PM   #14
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HEY GUYS! MUCH THANKS!!!! Especially to Rex--I was able to figure out the problem with the interrupter, and correct it. I used 'Gun Scrubber" to be sure I had the thing completely clean, and some Break Free to lube it, and now she works.

The problem it seems, was operator head space and timing--i didn't spend enough attention to detail on getting it ready for the range, and so it wasn't. Now it is.

Thanks.
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Old 01-04-2012, 08:26 PM   #15
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Quote:       Originally Posted by RedneckCatholic View Post
HEY GUYS! MUCH THANKS!!!! Especially to Rex--I was able to figure out the problem with the interrupter, and correct it. I used 'Gun Scrubber" to be sure I had the thing completely clean, and some Break Free to lube it, and now she works.

The problem it seems, was operator head space and timing--i didn't spend enough attention to detail on getting it ready for the range, and so it wasn't. Now it is.

Thanks.
i knew it.
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Old 01-04-2012, 08:43 PM   #16
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Finnish M39 Interrupter fix



http://www.youtube.com/watch?feature...&v=Zmtsl1maSiE

Last edited by Rex in OTZ; 01-04-2012 at 08:56 PM.
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