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Thread: Removing the castle nut

  1. #11
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    strang the DPMS wrench I have looks differant (big heavy grey speckled powder coated DPMS logo) the wrench must weigh more than a pound and works and looks very differant . and it has worked on every thing so far ,includeing my Colt Mt6400c.
    WHO ME ? ---- A government big enough to
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  2. #12
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    here is the new wrench I got. It fits my Colts like a glove.

    The devil danced as he went down
    In the hail of arrows comin'
    Out on the wild Montana ground,
    Custer died a-runnin'.

  3. #13
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    scattergun,
    Where did you get that wrench?
    Gun Control:Is using both hands!

  4. #14
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    Quote Originally Posted by acerman View Post
    scattergun,
    Where did you get that wrench?
    Specialized Armament

    http://www.specializedarmament.com/c...ools-12-0.html


    second from the bottom.
    The devil danced as he went down
    In the hail of arrows comin'
    Out on the wild Montana ground,
    Custer died a-runnin'.

  5. #15
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    Here's a variation on the question. How do you remove a castle nut that has been secured with Blue LocTite ? I understand you apply heat to the nut, but how much heat and with what implement? Is a standard shop heat gun sufficient? A butane torch seems to be a bit much, but is it? You get my drift, I don't want to cook anything here or ruin a finish unnecessarily. Thanks for the help.

  6. #16
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    Not sure about the heat question so I'll defer to those with more experience. however, I can attest to the need for a wrench with 2 or more teeth to spread the torque load. I tried to use a DPMS armorer wrench to remove a castle nut and damned near destroyed it. Concentrating a lot of torque on just one spot on the castle nut resulted in a pretty nasty gouge and no movement of the nut. A 3 point wrench I got from Rainier saved the day.

    The DPMS is fine for putting the nut on, but I'd recommend against using it for removal.

  7. #17
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    Quote Originally Posted by dorchester View Post
    Here's a variation on the question. How do you remove a castle nut that has been secured with Blue LocTite ? I understand you apply heat to the nut, but how much heat and with what implement? Is a standard shop heat gun sufficient? A butane torch seems to be a bit much, but is it? You get my drift, I don't want to cook anything here or ruin a finish unnecessarily. Thanks for the help.
    Lots of heat via a heat gun, and a good wrench like my TCU wrench or a Specialized Armament wrench. If you have a lesser wrench you could remove the stock body, install the receiver extension in a padded vice and turn the nut to keep from turning the tube within the receiver (also use a lot of heat). Or cut off the castle nut very carefully with a Dremel.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  8. #18
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    Blue Loc-tite should break loose fairly easy with some heat applied. The ones I have here where some asshole put red Loc-tite on them were very difficult. I had to actually cut a few off the castle nuts off. Use a good wrench, apply the heat and then quickly make the break and it should be GTG.

    Quote Originally Posted by dorchester View Post
    Here's a variation on the question. How do you remove a castle nut that has been secured with Blue LocTite ? I understand you apply heat to the nut, but how much heat and with what implement? Is a standard shop heat gun sufficient? A butane torch seems to be a bit much, but is it? You get my drift, I don't want to cook anything here or ruin a finish unnecessarily. Thanks for the help.



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