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  1. tgace is online now
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    Posted On:
    6/11/2013 7:32pm


     Style: Arnis/Kenpo hybrid

    2
    Hell yeah! Hell no!

    Castle Nut Staking

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    One of the little details to look for in an M4/AR rifle is the "staking" of the castle nut on builds using receiver extension tubes. Staking prevents the nut from backing off under hard use. If that happens you may find your stock turning when you don't want it to.

    Staking is fairly simple. Once the castle nut is tightened to the appropriate torque, take a punch and tap some of the metal from the receiver end plate into one of the notches on the nut. If you need to remove the nut in the future you will have to punch the little tab of metal out of the slot and use one of the other staking slots on the nut when you put it back on.
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  2. BackFistMonkey is online now
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    Posted On:
    2/18/2015 5:56pm

    supporting member
     Style: lol yet again more Judo !

    --
    Hell yeah! Hell no!
    Not a gun guy ... but I can think of tons of other applications where impacts and vibrations wiggle nuts .... I don't know how I have missed such a simple trick
    Quote Originally Posted by ghost55 View Post
    Violence is pretty uncommon in clubs in this area, and the dude didn't seem particularly hostile up until the moment he slapped me.
    I don't mean to sound bitter, cold, or cruel, but I am, so that's how it comes out.
    BILL HICKS,
    1961-1994
  3. Cassius is offline
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    Posted On:
    2/18/2015 6:54pm

    supporting memberforum leader
     Style: Brazilian Jiu-Jitsu

    --
    Hell yeah! Hell no!
    I just helped a buddy finish his first AR build. He didn't want to stake his nut, so we went with torquing to spec and blue loctite. I'll be curious to see how it holds up.
    "No. Listen to me because I know what I'm talking about here." -- Hannibal
  4. wetware is offline

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    Posted On:
    2/19/2015 10:13am


     Style: BJJ/MT

    --
    Hell yeah! Hell no!
    Quote Originally Posted by Cassius View Post
    I just helped a buddy finish his first AR build. He didn't want to stake his nut, so we went with torquing to spec and blue loctite. I'll be curious to see how it holds up.
    I've done this before on builds where parts were expected to change sooner rather than later. It should work fine as long as the loctite was given plenty of time to dry.
  5. SteyrAUG223 is offline

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    Posted On:
    3/23/2015 12:50am


     Style: Chinese Boxing

    --
    Hell yeah! Hell no!
    Don't forget to stake the carrier key as well.

  6. jackwilson is offline

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    Posted On:
    3/25/2015 7:43am

    Bullshido Newbie
     

    --
    Hell yeah! Hell no!

    Security Guard

    Quote Originally Posted by tgace View Post
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    One of the little details to look for in an M4/AR rifle is the "staking" of the castle nut on builds using receiver extension tubes. Staking prevents the nut from backing off under hard use. If that happens you may find your stock turning when you don't want it to.

    Staking is fairly simple. Once the castle nut is tightened to the appropriate torque, take a punch and tap some of the metal from the receiver end plate into one of the notches on the nut. If you need to remove the nut in the future you will have to punch the little tab of metal out of the slot and use one of the other staking slots on the nut when you put it back on.

    Your technique is definitely what I need because I really want to perfect my security guard job every time. Thank you so much.

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