zero problem

Discussion in '.22-Rimfire Forum' started by copey, Dec 23, 2010.

  1. copey

    copey New Member

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    i have a old bruno bolt action 22
    Its never given me a problem until recently the gun wont hold a zero via the scope.
    I have replaced the scope silencer and it wont zero. I have tryd 3 different types of ammo shot it with out the silencer. Cleaned the barrel . Do you think the barrel has given up ?
  2. BETH

    BETH Well-Known Member

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    Hey Copey welcome to the forum someone will be along to help u
  3. Zane71464

    Zane71464 Well-Known Member

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    What type of scope and rings have you got on the rifle?
  4. JLA

    JLA Well-Known Member

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    doubt it... .22 rimfire barrels are good for literally thousands and thousands of rounds, maybe even millions because lead simply isnt hard enough to wear the barrel out. My guess is the scope is bad or your mounts/rings are loose. The scope has internal springs that keep the diopter aligned and pressed hard aganst the adjustment turrets, over time these springs weaken and can break or become too weak to hold true zero. (incidentally this is why I prefer Burris scopes, they use double springs) if the mounts/rings are loose the scope is bouncing to a different spot after each shot causing your next shot to be off from the first one. one fix requires a new scope, the other requires some tightening of screws or replacemant of rings/bases...
  5. Bobitis

    Bobitis Guest

    As an aside, you may want to lap the rings.
  6. 22shot

    22shot New Member

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    copey

    What is a scope silencer ???

    :confused:
    Last edited: Dec 23, 2010
  7. Mals9

    Mals9 New Member

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    My brother had the same problem with an old Weaver. Took it to a shop to have it bore sighted and it turned out that the scope went bad. If you tapped the end of the scope the cross hairs jumped.

    Mals
  8. copey

    copey New Member

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    it has a hawk scope on it with single screw mounts . I will put a set of my other rifle on it to see if the scope is to blame thanks all.
  9. copey

    copey New Member

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    silencer not scopesilencer lol. Rushing with my post
  10. copey

    copey New Member

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    i have sorted the problem . The front scope mount was worn through years of attaching i suppose the scope was moving. Thanks for your help
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