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Thread: Pivot pin intall tools

  1. #1
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    Pivot pin intall tools

    Title says most of it. I have used needlenose pliers or hemostats in the past along with a feeler guage, but there must be a better way. Are any of these tools helpful? I've got two new lowers to assemble and I'd like to do this without having to order extra detents and springs beforehand. TIA.

  2. #2
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    Brownells AR-15 pivot pin installation tool, P/N 080-216-011, is overpriced at $14.95 but is very helpful.

    Their AR-15 pivot pin depressor tool, P/N 080-216-010, is not needed for installing the pivot pin, but is essential if you ever want to remove it. It too is overpriced ... especially since it is just a small hex wrench (I haven't measured mine but I'd guess 1/16") with the end ground to a taper. If I ever need another one I'm just going to grind a small hex wrench to a taper.

    You can download the directions for using each tool from Brownells website.
    Last edited by exkc135driver; 04-09-09 at 01:31.

  3. #3
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    The removal tool is not needed. The installation tool is worth having.
    "The peace we have within us is most often expressed in how we treat others"

  4. #4
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    1/4" clevis pin and a punch will work just as well as the expensive tool.

    i did my last one by using a pin punch to shove the detent (with spring) far down past the "drain hole" pictured here:



    that tiny hole off to the left

    then i used a 1/16" punch to hold the detent back by putting the punch into the drain hole (holding the "loaded" detent). put the pivot pin in and let the detent go into the detent channel of the pivot pin. you can also just take up some spring compression with the punch that's holding things back, just enough coils to fit the detent in.
    Last edited by trinydex; 04-09-09 at 12:39.

  5. #5
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    Has anybody ever made a home made tool like Brownells tool to install the front privet pin?

  6. #6
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    Quote Originally Posted by Lawdog-1 View Post
    Has anybody ever made a home made tool like Brownells tool to install the front privet pin?
    Personally, I think the Brownells tool (the round aluminum with hole) is a POS. I shot more detents trying to use that thing...

    Now I just cut 2-3 coils of the detent spring and then use a utility knife to push down on the detent.

    YMMV.
    Praise be to the LORD my Rock, who trains my hands for war, my fingers for battle. Psalm 144:1

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  7. #7
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    Quote Originally Posted by Lawdog-1 View Post
    Has anybody ever made a home made tool like Brownells tool to install the front privet pin?
    Quote Originally Posted by creampuff View Post
    This ought to run you $1.5 at the local hardware store:

    go to the hardware store, no need to make one.

  8. #8
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    I used razor blades, they hold the detent and allow me to put in the pin and slide out the blade

  9. #9
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    Quote Originally Posted by Lawdog-1 View Post
    Has anybody ever made a home made tool like Brownells tool to install the front privet pin?
    YES !! i have taken .250" brass rod, drilled a hole dead center, bent the other end for gripping and turning, i have made them from soft steel, those i have given away, i like the brass far more.

  10. #10
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    Quote Originally Posted by Rainmaker9 View Post
    I used razor blades, they hold the detent and allow me to put in the pin and slide out the blade
    I bought the tool, but my friend and I found it was easier to just use the razor blade method. We were watching a youtube video as a guide by DVDtracker, which is how he accomplished this task. So I agree with Rainmaker on using a razor blade.
    Last edited by kaiservontexas; 04-10-09 at 12:33.

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