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Discussion Starter · #1 ·
I have an older model 336. We went out to do some rapid fire shooting, the rifle did fine the first 12 or so rounds, when we fired again we placed some Monarch shells fired a few rounds and then the breach would not open. Has anyone else had this problem, can it be the ammo or is there an issue with the rifle that I need to take it to a gunsmith? Thanks for any input.
 

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Does your 336 have a scope mounted the bolt could be hitting on a mounting screw.
 

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Discussion Starter · #3 ·
Yes it does but it'd not a problem that happens every time. Would a screw being to long not be an issue each time you open the breach? I will pull the scope off and see what happens. Thanks
 

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Take it apart and see if the ejector spring is in the groove of the bolt.
 

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Breech not wanting to open.

The case that stuck in the breech will tell the tale. Look very carefully at the fired case and look for any signs of a bright ring or line around the case just above the extractor groove. Look for any longitudinal scratches on the case body. Is the primer flattened? Is there a sharp ring around the case mouth or shoulder? If it's a 35 Rem. some of the late 70s-80s production rifles had slightly short chambers. Did you try different ammo?
 
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