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SX2 Nordic mag tube - Length of spring

#1 User is offline   Shay1911 

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Posted 28 September 2009 - 08:34 AM

I have an SX2 with the Nordic mag extension, 8+1.

Has anyone experimented with the length of the spring to help the reloads without losing reliability?

Can you tell me how many inches the spring sticks out with just the cap off? Or how many coils?

Thanks in advance,

Shay

This post has been edited by Shay1911: 28 September 2009 - 10:37 AM

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#2 User is offline   mike.45 

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Posted 28 September 2009 - 09:03 AM

Most people cut them down to about 10 inches, but 6 - 8 inches should be fine with most spring makes. The main rule is cut it down bit by bit until you are happy with it and it still works !!
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#3 User is offline   jn-boston 

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Posted 28 September 2009 - 09:22 AM

I'm down to 8" with the same setup but I would start at 10". I was having a lot of feeding problems when I first installed the ext. and kept chopping the spring thinking that was the issue. Turns out that the lifter spring was too soft and wouldn't work properly with the ext setup. It was working fine stock before then. So with a new lifter spring and the ext spring at 8" now, it runs like a champ.

#4 User is offline   Shay1911 

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Posted 28 September 2009 - 10:38 AM

I am at 13" :) No wonder it feels a bit tough :)
"Try not. Do. Or do not. There is no try."

"If you choose the quick and easy path, you will become an agent of evil."

"Tomorrow's battle is won during today's practice.
- Samurai maxim"

#5 User is offline   55fmj 

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Posted 28 September 2009 - 01:18 PM

jn-boston ... what types of feeding problems were you having ? I have the nordic +1 extension so I am able to start with 9 in the tube and I lust went with the original spring. It has been fine for the last couple of years now.

#6 User is offline   jn-boston 

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Posted 30 September 2009 - 08:37 PM

I was having a whole host of issues. All sorts of misfeeds to stove pipes. My gun became a single shot and only on rare occasion could I get 2 -3 shots before an issue. I tried changing ammo, the tube spring, cleaning every nook and cranny, etc. It was only after changing the lifter spring did all the problems go away and I could use any ammo I wanted. The gun runs like a top now and eats anything I put through it.

#7 User is offline   whatmeworry 

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Posted 30 September 2009 - 08:55 PM

What lifter spring did you install?
Thanks,
Pat
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#8 User is offline   jn-boston 

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Posted 01 October 2009 - 10:21 AM

I looked for a heavier spring but couldn't find one online so I went with a stock spring from brownells. The gun had a decent # of rounds to start with so the spring may have just been tired. Who knows...
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