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Thread: School me on go to 9mm AR parts

  1. #11
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    Nov 2010
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    I ended up going with a BA 5.5" barrel. All I have left to buy is the BCG, buffer and spring. I have seen decent feedback on Spinta and Kaw Valley BCG's elsewhere. Anyone experience here? I did get to check out a QC10 BCG today but at over $250, I'm having a hard time justifying the price when I don't spend more than $200 on a 5.56 BCG.

  2. #12
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    Jul 2016
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    Edge of Nowhere
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    Have built about 5 with the Spinta one with no issues, mimics the JP one which is the standard. The QC one is a JP, hence the high price tag !

  3. #13
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    Mar 2018
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    2 Hollers over from TNOutdoors9 Hickman County, TN
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    Quote Originally Posted by Vegas View Post
    I ended up going with a BA 5.5" barrel. All I have left to buy is the BCG, buffer and spring. I have seen decent feedback on Spinta and Kaw Valley BCG's elsewhere. Anyone experience here? I did get to check out a QC10 BCG today but at over $250, I'm having a hard time justifying the price when I don't spend more than $200 on a 5.56 BCG.
    Limited production/market for the 9mm BCG. https://www.joeboboutfitters.com/9MM...s-s/163737.htm I have assembled a Matrix lower and will be testing it in a few weeks. http://www.primaryarms.com/matrix-ar...receiver-ma9gl and yes, if you read the reviews I had to poke a drill to open up the pivot pin hole. No big deal. Little aluminum grains.

    The mag release is aluminum, not plastic as the ones on my PSA lowers.
    Last edited by NQNPIII; 07-11-18 at 13:29.

  4. #14
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    2 Hollers over from TNOutdoors9 Hickman County, TN
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  5. #15
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    2 Hollers over from TNOutdoors9 Hickman County, TN
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    On sale 5.0oz 9mm buffer from CMMG I actually use 5.1's in my AR47 http://www.primaryarms.com/cmmg-ar-9...mer_Build_cali

    https://www.joeboboutfitters.com/KAK...eid=3cabd2f974

    Just got this one in the email. 5.4oz
    Last edited by NQNPIII; 07-12-18 at 12:47.

  6. #16
    Join Date
    Aug 2018
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    Quote Originally Posted by Vegas View Post
    I ended up going with a BA 5.5" barrel. All I have left to buy is the BCG, buffer and spring. I have seen decent feedback on Spinta and Kaw Valley BCG's elsewhere. Anyone experience here? I did get to check out a QC10 BCG today but at over $250, I'm having a hard time justifying the price when I don't spend more than $200 on a 5.56 BCG.
    I bit the bullet and bought the QC10 bolt (Glock) it was and still is pricey.....Im glad I bought it. The QC 10 glock bolt will work in a colt style carbine as well. The bolt is built like a tank. I had an out of battery fire and the only thing that happened was the extractor blew off the bolt and the magazine blew out the bottom. I replaced the extractor and went back to business. They are expensive and with that said I bought two FM products bolt groups in 9mm for less than what I paid for the QC10 bolt. FYI the FM products Colt style bolt will work in Glock too.

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