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Thread: Thoughts on Accurizing AR?

  1. #21
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    I hate the internet.

  2. #22
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    Quote Originally Posted by Eurodriver View Post
    I hate the internet.
    There are days when I think I should cancel my internet and use the money to go shooting instead.
    Last edited by MistWolf; 04-15-18 at 10:39.
    The number of folks on my Full Of Shit list grows everyday

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

  3. #23
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    Quote Originally Posted by Eurodriver View Post
    I hate the internet.
    I felt the exact same way yesterday.

    Thanks for everyone's replies.

  4. #24
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    I used to lap the receiver face, etc. Then, a well distinguished high power shooter said that either the USMC or AMU stopped the practice as they saw no real benefit to the practice.

    He shoots better in his feet than I do in the prone.

    ETA: stupid phone submitted my post before I was done typing.
    Last edited by muad; 04-15-18 at 11:19.

  5. #25
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    Parts have gotten better, if you buy good parts. In the last ten rifles I've assembled using DD, BCM, and a couple ARP 6.8 barrels. All using Aero uppers, I have pretty much had to resort to a plastic mallet to get the barrels into the uppers. No shim stock is going to fit in there, and I don't really see any need to loctite them either. I also seriously doubt that I could much improve on the barrel's grouping through gunsmithing. I see far better results from proper load development. All of which is a waster of time if you can't make a good wind call, or don't have good shooting fundamentals.

  6. #26
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    Use a hair drier or a heat gun on those tight uppers to get the barrel in.

  7. #27
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    Why???

  8. #28
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    Quote Originally Posted by Tx_Aggie View Post

    That being said, many (most?) shooters will get more mileage out of a good trigger, quality ammunition, a quality barrel, and most of all time spent working on the fundamentals of marksmanship. If a guy has crappy follow through and doesn't understand concepts like natural point of aim, bedding a barrel with sleeve retainer isn't going to do him any good.
    Best advice given.

  9. #29
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    Quote Originally Posted by HelloLarry View Post
    Use a hair drier or a heat gun on those tight uppers to get the barrel in.
    Quote Originally Posted by SteveS View Post
    Why???
    Expands the receiver just enough to accept the barrel extension and when it cools it will tighten up on it. This of course only if the receiver is a tight fit/oversized barrel extension.

    Scroll through for science post:
    https://diy.stackexchange.com/questi...bolt-loosen-it
    Last edited by sidewaysil80; 04-16-18 at 06:24.

  10. #30
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    In my experience chasing tiny groups there are measurable gains in accuracy and there are theoretical gains in accuracy. A match barrel and trigger will result in measurable gains in accuracy, All the other voodoo is theoretical. For example if we took a stock M4 and swapped out the barrel with a Krieger it would shoot measurably better. If you took the same M4 and did nothing but swap the receiver for a thicker MUR would it shoot measurably better?

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