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Thread: Cleaning and servicing ejector

  1. #21
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    Quote Originally Posted by coldblue View Post
    Download a copy of the M16A2 "-10" Operators Manual. That and several more of my illustrations are contained therein.

    https://www.ar15.com/content/webPDF/TM9-1005-319-10.pdf
    Thank you.

  2. #22
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    Quote Originally Posted by Iraqgunz View Post
    And to be clear, I didn't pull that from thin air. I learned that myself many years ago. Someone wiser than me explained how the roll pin was designed and then had me do some practical exercises. One thing I noticed was that the smaller roll pins were less forgiving than the larger ones.

    The issue is people are generally lazy about getting parts and having them on hand. They then start tinkering with their weapon and because they don't have new roll pins, they stick the old one right back in. We are talking about something that when purchased in bulk, costs mere cents. The side effect is that certain ones can deadline the weapon and stop it real quick.

    Hey IG, I wonder if we could come up with a list of common standard roll pins for the AR and their designations and sticky it somewhere? I know I would rather buy a bag of 100 of each form McMaster-Carr or Fastenal and be done with it for life.

    Does anyone in this thread have that in a chart or table?
    My brother saw Deliverance and bought a Bow. I saw Deliverance and bought an AR-15.

  3. #23
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    Never, never needed to.

  4. #24
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    Quote Originally Posted by Heavy Metal View Post
    Hey IG, I wonder if we could come up with a list of common standard roll pins for the AR and their designations and sticky it somewhere? I know I would rather buy a bag of 100 of each form McMaster-Carr or Fastenal and be done with it for life.

    Does anyone in this thread have that in a chart or table?
    Found this, hope it helps.

    http://www.biggerhammer.net/ar15/pins.html

  5. #25
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    I believe this is the correct info. Please verify first.

    1. Gas Tube- 5/64 x 5/16 Part No. 93740A622

    2. Trigger Guard- 1/8 x 5/8 Part No. 98296A879

    3. Forward Assist- 3/32 x 5/8 Part No. 98296A849

    4. Ejector Pin- 1/16 x 3/8 Part No. 98296A023

    5. Bolt Catch- 3/32 x 7/16 Part No. 98296A837

    6. Socket Head Cap Screw (Gas Key) 8-32 x ¼ Part No. 91251A190

    7. Pointed Set Screw (Gas Block) 10-32x 3/16 Part. No. 90289A337



    Owner/Instructor at Semper Paratus Arms

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  6. #26
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    Are those gas block set screws the ones with knurls on the bottom?

  7. #27
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    Quote Originally Posted by Iraqgunz View Post
    I believe this is the correct info. Please verify first.

    1. Gas Tube- 5/64 x 5/16 Part No. 93740A622

    2. Trigger Guard- 1/8 x 5/8 Part No. 98296A879

    3. Forward Assist- 3/32 x 5/8 Part No. 98296A849

    4. Ejector Pin- 1/16 x 3/8 Part No. 98296A023

    5. Bolt Catch- 3/32 x 7/16 Part No. 98296A837

    6. Socket Head Cap Screw (Gas Key) 8-32 x ¼ Part No. 91251A190

    7. Pointed Set Screw (Gas Block) 10-32x 3/16 Part. No. 90289A337
    Thanks very much for this info. I saw that little parts box with pins and detents you had, and have been meaning to set up the same sort of thing here.

  8. #28
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    Quote Originally Posted by TXBK View Post
    Are those gas block set screws the ones with knurls on the bottom?
    I'm not IG. But from looking at the illustrations on the McMaster-Carr website, I think they are.

    I'm ordering a set of the ones he listed. Some of them come in boxes of 500, so I will hopefully have enough roll pins to get me through the next panic.

  9. #29
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    What about an ultrasonic cleaner?

  10. #30
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    Yes, and those are the only ones that I use.

    Quote Originally Posted by TXBK View Post
    Are those gas block set screws the ones with knurls on the bottom?



    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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