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  1. #1
    Citizen, Patriot, Ranger bellson's Avatar
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    Dec 2005
    Peoples Republik of Kalifornia
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    Default Looking for words of wisdom...

    Anybody out there doing any AR15 80% lowers????

    I have seen the ones on AR15Plus.com, are they it?

    What methods are used to finish the lower after you are done machining? Paint????

    Please let me know....
    Imagine whirled peas

    Peace, Love, And Superior Firepower


  2. #2
    Gunco Member vbrtrmn's Avatar
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    The ones at AR15Plus seem extremely expensive, though they are specialized metals, so that is probably the reason.

    If you don't have experience using a drill press and taps, you probably shouldn't start making a receiver. Get a drill press and a few taps and experiment working on aluminum block.

    Start here: CNCGUNSMITHING - www.cncguns.com - Home of the AR45

    I have found three major methods of doing the build:
    1. Jig: The jig is somewhat expensive, but this is the most accurate.
    2. Receiver Template: Clamp a 100% receiver to your 80% and drill, not as accurate as the jig, but does get the job done.
    3. Paper: Get a paper template and drill through it.
    4. Eyeball: j/k


    Other links, I have no affiliation with any of these sites.
    Patriot Publications | The works of D.A. Hanks
    80% receiver FAQ
    AR 15 Lower Receiver Complete Kit
    Building an AR from an 80% casting
    AR15.COM :: Forums :: Building the KT-15 - By Secret Gunsmith - For Reference Only
    OSI Gunsmithing Tools
    80% Receiver Sources - Survival Monkey Forums
    AR-15 Receiver Print

    Finally, you shouldn't be selling receivers you make. You are allowed to build them, but manufacturing them for sale is kind of a big no-no to the BATF; remember always be safe, no one wants to wind up in federal-rape-you-in-the-ass-prison. I mentioned that I ordered 8 of them, I want to have enough to practice on; if friends are interested, I'd sell them a blank at cost and help them machine it.
    Last edited by vbrtrmn; 11-14-2008 at 03:29 PM.

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