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Hey guys, I am new to the forum and a new Marlin owner.

I recently purchased a 336 SS and cannot believe how stiff the loading port is!

It is almost painful to insert the bullets into the tube magazine.

I am hoping there is a way to reduce the pressure on the shield.

I'm sure this is a common problem and am hoping that there is an easy fix for this.

Any help would be appreciated.


Bill
 

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Howdy, BBlack, and welcome to the camp from northeast Indiana. C'mon over here by the fire and have a set-down on this block of ash. Coffee is in the pot. Help yourself. You empty it; you re-fill it. Without a picture or two of that Marlin you claim to own, some here would think you were just spinning a big windy. We dig on gun porn here and Marlin porn is the top shelf stuff for which we most mightily lust.

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Remove the loading gate. Carefully.

Carefully measure the thickness of the spring area. (From the screw threads to the gate)

Stone the back side of this to remove .005 material.

Reinstall carefully minding the amount of pressure on the screw. Too many have snapped theirs off by applying too much pressure.

Check to see if it is easy enough for you. If not repeat and take off another .005
 

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Two ways to do that. You can make the loading gate spring thinner, as Swany suggested, or you can make it narrower. You can cut a a scoop out of the spring on the top and the bottom. Make the scoops as long as you can using all the available length of the flat spring. Make sure you make the scoops as smooth as you can in an arc. No sharp corners or angles for a crack to start. Either way you lighten the spring, polish the area that you worked.

I find narrowing it easier than trying to make the spring thinner.

But remember, the front of the loading gate needs to have enough oomph to be able to hold the loaded rounds in the magazine tube against the mag spring. Lighten the loading gate spring, but not too much!
 
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Store a cartridge in the gate without pushing it all the way in. Leave it there as long as you can, when you remove it, repeat the process upon storing the gun. After a while it will help.

DR
 
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All three suggestions are good, I'd roll with either the thinning or scallops (scoops), although leaving a cartridge in place will eventually relax the tension...it's a matter of how long. AND definitely be careful with the loading gate screw!!
 

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I have done the "Swany" method on most of my Marlins with great success, sometimes removing as much as 1/3 of the thickness on the back side of the narrow part. Just be sure to smooth @ polish the metal you have worked on, leaving no lines or file marks which could turn into stress cracks. Also, while you are in there, smooth the sharp inside edge of the loading port. Use sand paper, a stone, or a light file and some touch-up cold bluing. This can save you a pinched or bloody finger. Don't ask me how I know this!

It has worked for me!
 

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Just tore down my new 1894 for a fluff 'n buff, and this mod is definitely on the list! That rifle is a hateful s.o.b. to load.....
 
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