Scope shimming?

Discussion in 'General Discussion' started by Casey Napier, Nov 30, 2006.

  1. Casey Napier

    Casey Napier Well-Known Member

    Messages:
    79
    Joined:
    Jul 22, 2006
    Is electric tape acceptable to shim a scope slightly. I purchased a set of Burris mounts, Z-rings, and the bell of my scope is making slight contact with the barrel. I cleaned the rings and placed a couple pieces of electric tape to the bottom half of the ring, and this gave me just enough clearance. Will this tape be okay, and will the scope hold firm in the rings?

    Thanks
    RidgeRooster
     
  2. BountyHunter

    BountyHunter Writers Guild

    Messages:
    4,799
    Joined:
    Jun 13, 2007
    Why don't you take a soda can and pair or two of snips/scissors and cut out a shim that will fit?

    Think you will find this is easier and much more effective.

    BH
     

  3. Casey Napier

    Casey Napier Well-Known Member

    Messages:
    79
    Joined:
    Jul 22, 2006
    BountyHunter,
    Do I need to place the aluminum shim under the base or inside the rings?

    Thanks
    RidgeRooster
     
  4. Buffalobob

    Buffalobob Writers Guild

    Messages:
    5,085
    Joined:
    Jun 12, 2001
    Under the base.

    Be aware that for every 0.001 of shim you put under the base you will raise the scope up about 1 MOA and have less elevation available for long range dialing. If you put a lot under it you may need longer screws.

    If it is a two piece base you get to a point where you need to lap the rings.
     
  5. redbone

    redbone Well-Known Member

    Messages:
    688
    Joined:
    Jul 3, 2005
    just buy an tall set of ring .
    That is what I did whenthat problem happened to me
    Redbone
     
  6. Casey Napier

    Casey Napier Well-Known Member

    Messages:
    79
    Joined:
    Jul 22, 2006
    I thought about buying a taller set but I only need a couple thousands for clearance. This rifle is a Knight muzzleloader, which uses an already tall set of Weaver bases. This makes the scope ride high, even with low rings. I am installing a 3.5-10X50 VX3, and want to keep the scope as low as possible, too high is uncomfortable. So I thought that since the rings come with friction tape, to install on the bottom half of the rings, that a piece of electric tapeover the friction tape, would give me just what I need for scope clearance, and it did. I am just curious if anyone has ever done this, and if it would hold up.
    I have noticed that some ring manufacturers send tape with thier rings(Millet).

    Thanks
    RidgeRooster
     
  7. Buffalobob

    Buffalobob Writers Guild

    Messages:
    5,085
    Joined:
    Jun 12, 2001
    I just yesterday was working on my muzzleloader. The scope is set up really high which helps in providing room to get the primer in and out. What I did to it yesterday was to put on a slip on cheek piece to raise the comb up for a better stock weld.
     
  8. BountyHunter

    BountyHunter Writers Guild

    Messages:
    4,799
    Joined:
    Jun 13, 2007
    cut a pair of shims and put one under each base. that way no need to lap the rings. Might have to resort to two shims under each. If you put the shim under only one it would effect your zero by about 1 MOA for each .001 of shim and you would need to lap.

    However, by shimming both front and rear equally, no POI change and no lapping, you are just raising both bases a little to give you clearance.

    BH