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Lever popping open ??? #14283619 11/15/19
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dpd Offline OP
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What’s causing the lever to pop open on my 336T ? I have to hold it closed when I shoot it . How hard is this to fix ?

BP-B2

Re: Lever popping open ??? [Re: dpd] #14284598 11/16/19
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tikkanut Online Content
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sounds like the lever plunger spring may have been changed......or weak ?

Wolfe makes lightweight springs for Marlins.....

Makes opening/closing lever easier.......

but can & will not stay locked in place....


Last edited by tikkanut; 11/16/19.
Re: Lever popping open ??? [Re: dpd] #14284691 11/16/19
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jertex Offline
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What a pain. I bet if you post this over on the Marlin Owners forum, you'll get an answer quickly.


Jerry
Re: Lever popping open ??? [Re: jertex] #14285143 11/16/19
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Originally Posted by jertex
What a pain. I bet if you post this over on the Marlin Owners forum, you'll get an answer quickly.



I believe I answered his question.........^^^^^^^^^^

I can even send him an OEM plunger spring if he likes

simple to replace........

Re: Lever popping open ??? [Re: dpd] #14285581 11/16/19
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dpd Offline OP
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Thanks for the replies . Seems like an easy fix .

IC-A

Re: Lever popping open ??? [Re: tikkanut] #14285804 11/16/19
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jertex Offline
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Originally Posted by tikkanut
Originally Posted by jertex
What a pain. I bet if you post this over on the Marlin Owners forum, you'll get an answer quickly.



I believe I answered his question.........^^^^^^^^^^

I can even send him an OEM plunger spring if he likes

simple to replace........

We posted at almost the same time, so your answer didn't show up for me until I hit the "Post Reply" button and apparently you had just posted it.


Jerry
Re: Lever popping open ??? [Re: dpd] #14343688 12/06/19
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Its a race Marlin


"Come and sit by the fire, where good folk abound, so do the hypocrites and liars"
Re: Lever popping open ??? [Re: dpd] #14345471 12/06/19
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SheriffJoe Offline
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Stretch or replace the plunger spring.


Don't ask me about my military service or heroic acts...most of it is untrue.
Re: Lever popping open ??? [Re: dpd] #14349426 12/07/19
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Originally Posted by dpd

Thanks for the replies . Seems like an easy fix .


It is easy, I was gifted an old 336 in 35 Remington last year, I put a new finger lever plunger and spring in it, as well as a new two piece firing pin, that old rifle should be ready for a hundred more hunting seasons. smile


MOLON-LABE you commie vaginas!
Re: Lever popping open ??? [Re: dpd] #14445907 01/08/20
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reivertom Offline
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Replace the plunger and the spring while you have it apart.

IC-B

Re: Lever popping open ??? [Re: reivertom] #14512167 01/27/20
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Originally Posted by reivertom
Replace the plunger and the spring while you have it apart.


Did this and it fixed the problem.

Re: Lever popping open ??? [Re: dpd] #14512413 01/27/20
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jeeper Offline
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Someone may have bubba'd the plunger and spring , replace them both. It may then be too tight so then research that fix , it aint that hard to remedy.

Re: Lever popping open ??? [Re: jeeper] #14513717 01/28/20
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dpd Offline OP
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Originally Posted by jeeper


Someone may have bubba'd the plunger and spring , replace them both. It may then be too tight so then research that fix , it aint that hard to remedy.



I replaced both and the problem is solved.

Re: Lever popping open ??? [Re: dpd] #14518905 01/29/20
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The only one I ever had did that brand new and the sights were mounted a few degrees off on opposite sides of the barrel. Had to have a smith fix both issues. This was a rifle my dad gave.me for Christmas. JM brand new. I sold it after he died.

Re: Lever popping open ??? [Re: dpd] #14543405 02/05/20
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Angus1895 Offline
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If my reloads get warm the lever will pop open.


"Shoot low sheriff, I think he's riding a shetland!" B. Wills












Re: Lever popping open ??? [Re: Angus1895] #14548049 02/06/20
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gunner500 Offline
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Originally Posted by Angus1895
If my reloads get warm the lever will pop open.


To the first part of the thread, I replaced the finger lever plunger and spring not because the lever was popping open, but because it was too loud on fully closing gripping the rifle in preparation for a shot, that loud CLINK would have caused a deer in the thickets to bolt to the next county.

To the hot loads, I don't think so, I push the 220gr Speers to 2175 fps with Leverevolution powder in an old Matlin 336 35 Remington, that's a hellbender load in a lever action for sure, I use Hornady brass, the pockets are still good and tight, accuracy is stupid good for a lever rifle.


MOLON-LABE you commie vaginas!
Re: Lever popping open ??? [Re: dpd] #14566456 02/12/20
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rj308 Offline
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Gentlemen, I just went thru this about a year ago on a 336. This may not be the cause of anyone elses 336, but is was on mine. I converted a pistol grip rifle to a straight grip. I did use new factory parts. To make a long story short, it was popping open when fired because the bolt locking lug was not fully seating in the bolt and receiver lug recesses. To fix it, I had to grind down the contact pad on the top (as it sits in the rifle being held) of the lever that stops travel of the lever when the lever is closed. This fitting pushes the locking lug higher into the locking recess. It is easy to do. File .010" off of the pad and check the fit until you only have .005" to .010" clearance between the lever pad and the low tang. The lever popped open every time I fired it before doing this. After this fitting, it has never popped open when fired. RJ


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