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Thread: Broken upper

  1. #21
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    Quote Originally Posted by WS6 View Post
    How is that wrong, both Brownells and Surefire have official videos showing this as the correct method. Upper with a block in it, wrench to the muzzle device.
    I was under the impression the barrel blocks or what have you are suppose to be used. I, however, have seen it mostly done with Action Blocks. It works.

  2. #22
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    More than likely yes but clamping the barrel is still best for muzzle device work.

    Quote Originally Posted by WS6 View Post
    Had he not, life would be good, yes? Sorry, not mmqb ing, just learning.
    B.A.S. Mechanical Engineering Technology

  3. #23
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    After reading this I will buy a geissele reaction rod, tq wrench, crows foot, and install my own flash hider. I just have a table vice, but that should certainly be stout enough to grab the flats of the reaction rod under the immense strain of a whopping 20-30# tq required, I'd think.

  4. #24
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    I was just swapping out upper receivers. I have a Seekins SAR rail. Took the barrel nut off and slid it down a bit, realized I needed another shim behind the nut so I went to take the A2 off to get another shim behind the nut. Too much torque removing the nut for the upper to handle.
    I've removed muzzle devices with no issues before using vise blocks on the upper, as long as the barrel nut was on, just a stupid mistake.

    Would this work as a .22 conversion upper? A barrel still slides into the receiver and a barrel nut still threads on...
    Last edited by mattg1024; 04-14-13 at 09:03.

  5. #25
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    As said by "SpankMonkey" Now you have a reason for a dedicated 22LR upper. Looks like a good time to order a 22LR barrel. I use vice and blocks on the barrels only, I have chewed up a barrel a time or two.
    NRA Life Member.

  6. #26
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    Can you explain this whole "shim" shenanigans?

    Quote Originally Posted by mattg1024 View Post
    I was just swapping out upper receivers. I have a Seekins SAR rail. Took the barrel nut off and slid it down a bit, realized I needed another shim behind the nut so I went to take the A2 off to get another shim behind the nut. Too much torque removing the nut for the upper to handle.
    I've removed muzzle devices with no issues before using vise blocks on the upper, as long as the barrel nut was on, just a stupid mistake.

    Would this work as a .22 conversion upper? A barrel still slides into the receiver and a barrel nut still threads on...



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  7. #27
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    Standard flash hiders do not have a torque value. You simply time the hider to the TDC position with the FSB/barrel.

    Quote Originally Posted by WS6 View Post
    After reading this I will buy a geissele reaction rod, tq wrench, crows foot, and install my own flash hider. I just have a table vice, but that should certainly be stout enough to grab the flats of the reaction rod under the immense strain of a whopping 20-30# tq required, I'd think.



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

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  8. #28
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    Quote Originally Posted by Iraqgunz View Post
    Standard flash hiders do not have a torque value. You simply time the hider to the TDC position with the FSB/barrel.
    Surefire lists a value on the upper end of 30, I believe. I need to remove the flash hider Daniel Defense installs, and install a 7.62 Socom mount. Is Barry Dueck's method illustrated by surefire officially, using a block pinned in the upper okay, or is a barrel block or reaction rod totally necessary? Upper is a factory dd 10.3".

  9. #29
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    Between this and the bent barrel thread, I'd say we've got some real squared away AR smiths on this board.

    Quote Originally Posted by scottryan View Post
    Anybody that owns or sells pistol versions of assault rifles is a bottom feeder, irregardless of the ban status of certain ammunition.

    They are illigetimate weapons that have no real purpose other than to attract retards to the gun community.

  10. #30
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    Quote Originally Posted by polymorpheous View Post
    Between this and the bent barrel thread, I'd say we've got some real squared away AR smiths on this board.

    that's not very nice.
    NRA Life Member, NAHC Life Member, GOA member

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