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Thread: Is their any rational behind using thread lock on a AR pistol buffer tube.

  1. #11
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    Staked castle nuts are 10X easier to remove than Lock-Tite.

    Lock-Tited castle nuts are a ROYAL PITA.

  2. #12
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    Quote Originally Posted by BufordTJustice View Post
    Loctite is a member of the cyanoacrylate family. Same as super glue. Get a super glue de-bonder, let it leach into the threads, and it will deactivate the loctite.

    Do NOT get it on any plastic. It will melt that shit like the spit from an Alien's mouth melted the decks of the Nostromo.
    Acetone softens and dissolves cyanoacrylates
    INSIDE PLAN OF BOX
    1. ROAD-RUNNER LIFTS GLASS OF WATER- PULLING UP MATCH
    2. MATCH SCRATCHES ON MATCH-BOX
    3. MATCH LIGHTS FUSE TO TNT
    4. BOOM!
    5. HA-HA!!

    -WILE E. COYOTE, AUTHOR OF "EVERYTHING I NEEDED TO KNOW IN LIFE, I LEARNED FROM GOLDBERG & MURPHY"

    http://i115.photobucket.com/albums/n289/SgtSongDog/AR%20Carbine/DSC_0114.jpg
    I am American

  3. #13
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    Quote Originally Posted by MistWolf View Post
    Acetone softens and dissolves cyanoacrylates
    huh - wish i'd known that when i was trying to take that loctited castle nut/extension off. i can however tell you that elbow grease, sweat and swearing do NOT soften nor dissolve cyanoacrylates.

  4. #14
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    Quote Originally Posted by MistWolf View Post
    Acetone softens and dissolves cyanoacrylates
    Mist to the rescue. Who doesn't have some of that laying around???
    "That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892

    "The body cannot go where the mind has not already been."

  5. #15
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    Quote Originally Posted by Junkie View Post
    If you do ever need to remove loctite *and* you can strip it to something with no plastic remaining, sticking it in the oven at 200F for 15 minutes will soften the loctite significantly without doing anything to pretty much any metal. I'd want to remove the plastic plunger for the bolt catch first, although it would likely be ok. If you need to go hotter Aluminum doesn't really care until you go past 400F or so I think, but I could be wrong... anyway, the hotter you go the softer loctite is (but it'll form an even better bond once cool).
    What plastic plunger for the bolt catch? Everyone I've seen were metal.

  6. #16
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    Quote Originally Posted by BufordTJustice View Post
    Mist to the rescue. Who doesn't have some of that laying around???
    And if you don't, go steal the wife's nail polish remover. Which is basically just really expensive acetone.

  7. #17
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    Quote Originally Posted by MistWolf View Post
    Acetone softens and dissolves cyanoacrylates
    Loctite threadlocker is not a cyanoacrylate it is an anaerobic.

    Acetone will not do much to Loctite threadlocker when used on assembled parts. You will need to use heat for disassembly.

    The best thing to use to try to remove the dried threadlocker residue once the parts are disassembled is methylene chloride, though even this doesn't work that great.

  8. #18
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    Quote Originally Posted by BUBBAGUNS View Post

    What plastic plunger for the bolt catch? Everyone I've seen were metal.
    I thought they were plastic, they felt lighter and slicker than I'd expect for anything else. I could be wrong though.

  9. #19
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    It's an interesting topic. Loctite isn't required, but may not be damaging for non TDP additions. For it's own intended use, staking works out fine. Sometimes though, a way of retaining torque could be had without breaking the anodizing that sometimes happen with staking. There are many forms of this, and it takes proper prep. For some items I see the addition as a possible compliment to staking to a point that the amount of staking could be reduced to remove less anodizing to extend component life if was to be disassembled later and reused.
    The proper staking for a castle nut will remove the protective anodizing layer from the parts. The reality is that most of these parts will never be removed and nobody would notice.
    Less mechanical resistance to movement VS a bonding agent could help some things, but I wouldn't omit at least some mechanical tension.

  10. #20
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    Loctite has its uses, but receiver extensions aren't one of them.

    I use grease, and stake twice.

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