Sticky Bolt

rockton

January 14, 2003 21:08

What might be the reason for an early (1936) Model 70 to have a bolt which is tight to close and tight to open with new factory ammo? The ammo does not appear to have any marks and the rifle works fine but it is just a little too hard to close and open.

Any suggestions?

Thanks
Rockton

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  v35

  January 15, 2003 04:37

  Sounds like you have zero or less than zero headspace which may be a good thing for accuracy. Removing metal from bolt or receiver is a gunsmithing job as is sinking the chamber a little deeper.
  Lapping in of the locking lugs might remove enough metal to ease the effort.
  Other than that you could bump the cartridge shoulders back a couple of thousandths in a bullet seating die.

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  wilmamae

  January 15, 2003 07:22

  Check to make sure the front action screw isn't contacting the bottom recoil lug on the bolt.

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  spclark

  January 15, 2003 07:34

  Has the chamber been thoroughly cleaned recently? Carbon (or other material) build-up will cause the headspace to be reduced & can also contribute to overpressure events.

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  Mobuck

  January 15, 2003 13:35

  While you're cleaning the chamber clean all the crud out of the locking lug recesses in the action. One itty bitty sliver of brass can cause the problem you describe.
  
  Mobuck

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  Pelican

  January 15, 2003 13:42

  Send it to General Discussion forum. They got a bunch of stickys over there. One more won't matter.[:o)]
  

  ---

  Sarcastic humor a specialty
  
  Audemus jura nostra defendere"

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  armcandy

  December 11, 2004 23:58

  For general information purposes the problem was a damaged extractor.
  
  Rockton

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