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Tips and tricks on lower or upper build

Discussion in 'Black Rifle Forum' started by brausso, Nov 30, 2012.


  1. brausso

    brausso
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    I thought it might be a cool idea to share some short cuts or tips with others on efficient ways to build a lower. I am always surprised at the different techniques people use. I always hate the pivot pin install. Came across the universal clevis pin and this video. It works like a charm. Everyone has their own way and process when doing a build. Just thought it would be a good idea to share.

    Feel free to share ideas others can benefit from

    [ame="http://www.youtube.com/watch?v=XJNaTjvQaVQ"]AR-15 Pivot Pin Install - YouTube[/ame]
     

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    #1 brausso, Nov 30, 2012
    Last edited: Nov 30, 2012
  2. Armchair Commando

    Armchair Commando
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    Adco sells the pivot pin tool. Works like a charm. i also like to use a boxcutter to install the pivot pin as well. Buy the appropriate tools, It will make life so much easier!



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    #2 Armchair Commando, Nov 30, 2012
    Last edited: Dec 3, 2012
  3. faawrenchbndr

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    A 1/4" clevis pin from any hardware store works well, and is about 59 cents
     
  4. Travclem

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    Yes it does.

    Here's another tip to the guy in the video. Don't use plastic lowers.:rofl:
     
  5. faawrenchbndr

    faawrenchbndr
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    I did not want to even start on that. :whistling:

    -Standard nail sets from a local hardware store make very good
    tools for starting roll pins.

    -Duct tape is great protection against assembly scratches

    -ALWAYS support the lower tab when inserting the trigger guard
    roll pin. Oiling this pin is a VERY good idea as well!
     
  6. Travclem

    Travclem
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    Hockey Pucks make good support blocks too.
     
  7. mc1911

    mc1911
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    A roll of electrical tape makes a usable block.
     
  8. JerryVO

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    When working on roll pins and you need a third hand to get it started tape the pin to the punch so you only have to worry about alignment and not retention.

    Sent from my SAMSUNG-SGH-I777 using Tapatalk 2
     
  9. IGotIt

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    I made a pivot pin tool with a piece of dowel rod.

    Also, use a punch or similar tool to align trigger pin and hammer pin holes from the opposite side you are installing the pins. As the pin goes in, it will push the aligning tool out. Similar principle as the take down/pivot pin.
     
  10. WoodenPlank

    WoodenPlank
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    I use a roll of duct tape laying on its side. when swapping triggers out. Leaves more room for the pins to go, and makes it easier to rest the lower on the tape.
     
  11. faawrenchbndr

    faawrenchbndr
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    Awesome idea,...........
     
  12. WoodenPlank

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    Since this is GlockTalk, a Glock armorers tool is excellent for changing out fire control groups, too.
     
  13. Cole125

    Cole125
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    Buy a Brownells lower vise block, their AR roll pin punch kit, and their bolt catch roll pin punch.

    Makes everything much easier and the lower comes out looking professionally built. No dinged up roll pins or scratches.
     
  14. btaylor

    btaylor
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