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Barrel ?

Discussion in 'Shooting Related Threads' started by tracyhunter, Jul 28, 2012.

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  1. tracyhunter

    tracyhunter Member

    Joined:
    Sep 15, 2006
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    700
    getting lite hits on my top single barrel, some ftf's but when i put the o/u barrel on i get deep primer hits.what will fix this and how do they do it?big money?
     
  2. Bruce Em

    Bruce Em Member

    Joined:
    Jan 29, 1998
    Messages:
    902
    Location:
    Upstate NY
    Shells matter.

    Are they reloads with Federal hulls and NOT from a MEC machine?

    You may have maximum headspace complicated by dished shell heads.

    New ejectors will help reduce it some but that isn't the full proper fix.

    Make sure the firing pin channel is clean; the accumulate debris which prevents full pin travel. I spray a small shot of oil in it and blow out with air.

    regards
     
  3. Ajax

    Ajax Well-Known Member

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    A little more information would be helpful. What model of gun? What kind of shells,new or reloads,if reloades what loader were they loaded on? What kind of primer?

    Ajax
     
  4. tracyhunter

    tracyhunter Member

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    its a k-32.does not matter,reloads or factory.i use a mec650 when the 366 does not want to work.
     
  5. hmb

    hmb Well-Known Member

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    Messages:
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    Sounds like a headspace problem with the top single barrel. Shotgun shells headspace on the shell rim. Compare how deep the same shell sits in the top single chamber and the O/U top barrel chamber. The deeper it sits the futher the firing pin has to travel to make a good hit on the primer. HMB
     
  6. tracyhunter

    tracyhunter Member

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    hmb,how do they fix that?
     
  7. Big Az Al

    Big Az Al Well-Known Member

    Joined:
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    Location:
    near Tucson Trap
    They make a ring, machine the chamber so that it is a very tight press fit, then recut the chamber to the proper headspace.

    I would suggest talking to Bill Simons

    Billscustomrecoilreducers

    Al
     
  8. tracyhunter

    tracyhunter Member

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    going to the grand.hope to get it fixed there.
     
  9. Rebel Sympathy

    Rebel Sympathy Well-Known Member

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    1,679
    Location:
    Pea Patch, Alabama
    Actually, the way Krieghoff fixes this is to re-machine the screw slots (trunion slots) on each worn barrel block by boring them oversize at the bottom end of the slots and then fitting a new "sleeve" which is then machined to provide the proper headspace. Then, they are like new. Before doing all that, however, they check for wear on the two trunion screws. If they show wear, then they are replaced before the screw slots are re-machined.

    A less expensive way to go (and Krieghoff will do this for you) is to have them install oversized trunion screws. This, however, eliminates any opportunity to fit multiple barrels to your gun - unless you bore the slots on a new or unworn, barrel being fit. I don't like that.....

    My 32 was quite worn after 250,000+ rounds and they never mentioned anything about chamber rings or messing with the chambers in any way. It happened to be a 4-barrel skeet set and they rebuilt all screw slots in all four barrels. Gun is tight; latch is well to the right - like a new K-80.

    Mike
     
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