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Thread: Rail install problem

  1. #1
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    Rail install problem

    I just got a P&S ras and was trying to install it in my rifle. For the life of me I cannot the rail under the delta ring. And there are gouged in the rail where the barrel nut appears to be preventing the rail from seating. Any ideas?1533992997253-225903616.jpg1533992997253-225903616.jpg1533993222047-833274699.jpg
    Last edited by odugrad; 08-11-18 at 08:15.

  2. #2
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    I've already insured the screw is removed and the gas tube rails sit on either side if the gas tube. And it applies to the bottom half of the rail as well as the top.
    Last edited by odugrad; 08-11-18 at 08:12.

  3. #3
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    I have seen this happen with barrel nuts that weren't timed properly. What upper are you putting this on?



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  4. #4
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    A BCM. I figured it would be good to go.

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    Anyone have any ideas on how to fix this?

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    Quote Originally Posted by odugrad View Post
    Anyone have any ideas on how to fix this?
    Nope, have you seen these:

    http://looserounds.com/2014/05/23/ho...-m4-or-m5-ras/

    http://www.quarterbore.com/library/p...c_ras_inst.pdf

    Do you have a hand guard removal tool: https://www.brownells.com/gunsmith-t...prod24202.aspx

    I'm simply asking if you are sure you are getting the Delta Ring as far back as it needs to be.

    Good luck.
    Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.

    Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee

  7. #7
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    Quote Originally Posted by odugrad View Post
    A BCM. I figured it would be good to go.
    Quote Originally Posted by CPM View Post
    Autistic screeching ensues.
    It couldn't be the rail.
    Gettin' down innagrass.
    Let's Go Brandon!

  8. #8
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    "Anything made by made is subject to failure". Wilius Gunnus Smithus 59 A.D. Not saying that it is the upper/barrel nut. But, I have seen some instances of it happening.

    Have you considered having someone else look at it to rule out operator headspace?

    Quote Originally Posted by odugrad View Post
    A BCM. I figured it would be good to go.



    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

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

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