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Thread: Deactivating lower without destroying it.

  1. #1
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    Deactivating lower without destroying it.

    Hi

    Need a quick reply here.

    Is drilling out the pin hammer and trigger holes in a lower a good way to deactivate it?
    It's not about surviving, it's about winning!

  2. #2
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    I don't know the laws in Norway but I suspect if the holes were drilled oversizes they could be made functional by simply sleeving them.

    20 years ago I saw deactivated M16's in Europe that had nothing done to the lower receivers as the law only required modifying the parts that were,"exposed to chamber pressure." In fact some places in Europe still sell M16 lower receivers with no paperwork.

  3. #3
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    Yeah, but the laws changed so that the lower is now the firearm part.

    Any suggestions on how to deactivate a lower.....?

    Machine off the pivot pin holes?
    Last edited by Arctic1; 08-29-13 at 09:44.
    It's not about surviving, it's about winning!

  4. #4
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    How "deactivated" does it need to be? Cut in half would do the job....
    ETC (SW/AW), USN (1998-2008)
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    I'd have to think about it a while to figure out something. I have seen similar firearms deactivated in Europe. I think they also have some in Canada.

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    Sometimes the front take down pin holes on either the upper or lower receiver are cut open to form ears. When attempting to fire the firearm, the two receivers would separate.

  7. #7
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    Quote Originally Posted by hotrodder636 View Post
    How "deactivated" does it need to be? Cut in half would do the job....
    It is meant to be used as a showroom demo, so cut in half is a bit extreme
    It's not about surviving, it's about winning!

  8. #8
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    I know nothing about the laws in Norway, they may have very specific guidelines on how to deactivate the lower. However, with that said, I would imagine filling the trigger pocket in with something, like say Devcon Steel or similar would make the firearm unable to work, heck you could even entomb a trigger into it, give it a bit more realism. Perhaps the same with the magazine well, or the buffer tube, that would prevent the bolt carrier group from being able to move at all.
    [SIGPIC][/SIGPIC]

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    The law should specify what is acceptable as deactivated. After all, what would they prosecute you for? They can't say you didnt "properly" deactivate it if the law has no provisions for "what" exactly is considered "deactivated".

    Can the lower still be semi-auto? If only deactivating the machine gun parts, just TIG the sear holes shut. Then you have an AR-15 lower. If it must no longer be considered a "firearm" you would probably have to weld the hammer and trigger pin holes as well...

    Before some keyboard hero jumps in and says im an idiot, as welding will screw up the "temper" or heat treat/stress relief, you did say it would just be a show room demo...

  10. #10
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    That is kind of the issue actually. The gov, in the form of the police, has said to deactivate the lower. When asked what qualifies as "deactivated", the reply was:

    "We don't have that kind of technical knowledge, but just deactivate it".....

    It is a stripped lower, no internals at all.
    It's not about surviving, it's about winning!

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