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Thread: Methods of assembly -- question about gas port alignment

  1. #11
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    Get the correct size dimpling jig from SLR Rifleworks, makes the job eazy peazy and perfect!

    http://slrrifleworks.com/index.php?r...ry&path=57_129

  2. #12
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    Yup,

    BRT barrels have a dimple opposite the gas port.

    If assembling another brand without a dimple, add one using a dimple jig.

    This dimple is key and makes lining up the gas block super easy.

    Get it close and start tightening the set screw while jiggling the gas block slightly.

    You can feel the amount of movement decrease as the screw is tightened and it centers up on the dimple.

    Snug it up, then do the other screw, apply thread locker, etc.

    Go back to the first screw for final torque.

    This works even on barrels without a shoulder.

    Quote Originally Posted by Todd.K View Post
    I drill the gas port, then index the barrel 180deg and use a ball endmill for the dimple.
    Last edited by Clint; 07-20-17 at 21:16.
    Black River Tactical
    BRT OPTIMUM Hammer Forged Chrome Lined Barrels - 11.5", 12.5", 14.5", 16"
    BRT EZTUNE Preset Gas Tubes - PISTOL, CAR, MID, RIFLE
    BRT Bolt Carrier Groups M4A1, M16 CHROME
    BRT Covert Comps 5.56, 6X, 7.62

  3. #13
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    BRD Dimple Jig is what I use. Perfect alignment with no guessing, whatsoever.
    To educate a man in mind and not in morals is to educate a menace to society. --Theodore Roosevelt--

  4. #14
    Join Date
    Jan 2008
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    AZ-Waging jihad against crappy AR's.
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    You realize that this post is about 11 years old, right?

    Quote Originally Posted by Ricrock View Post
    Get the correct size dimpling jig from SLR Rifleworks, makes the job eazy peazy and perfect!

    http://slrrifleworks.com/index.php?r...ry&path=57_129



    Owner/Instructor at Semper Paratus Arms

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  5. #15
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    Quote Originally Posted by Iraqgunz View Post
    You realize that this post is about 11 years old, right?
    Well, we do now.
    To educate a man in mind and not in morals is to educate a menace to society. --Theodore Roosevelt--

  6. #16
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    What difference does it make? It's still good information and it might help someone.

  7. #17
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    Quote Originally Posted by Ricrock View Post
    What difference does it make? It's still good information and it might help someone.
    The difference that it makes is posted HERE. It is greatly informative, and may help you out.
    To educate a man in mind and not in morals is to educate a menace to society. --Theodore Roosevelt--

  8. #18
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    Two, make that three, things I just learned: 1) Rick Astley can't lip sync for shit; 2) I dance better than Rick Astley; 3) where to get a good gas block dimpling jig.

    Thanks for the necro, just ordered another toy (wife's description, complete with eye roll).

  9. #19
    Join Date
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    I added this jig to my tools list. Thanks!

    Sent from my Pixel using Tapatalk
    "It is better to be a Warrior in a Garden than a Gardner in a War"
    Let's use the First Amendment to protect the Second so we can avoid using the Second to protect the First.

  10. #20
    Join Date
    May 2009
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    You might want to save some money.... Not to mention that link says it's for SLR at .460 but SLR sells .400 and .450

    http://slrrifleworks.com/index.php?r...ry&path=57_129

    1 @ $60 or 2 @ $30? I know what my wallet likes best.

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