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  1. #1
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    Aero Precision M4E1 Threaded Receiver Set

    I like the look of these. I don't know anything about the 'threaded receiver' other than what's on the website. 25% discount and free shipping.

    Any negatives I should be aware of?


    https://www.aeroprecisionusa.com/m4e...iver-set-black

  2. #2
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    They are good to go. Great value. The "threaded" label is to distinguish from the "enhanced" uppers: https://www.aeroprecisionusa.com/ar1...upper-receiver

  3. #3
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    Iíve got an M4E1 lower thatís my next pistol/SBR build. The only negative would be the integrated trigger guard if youíre dead set on that blue adonized trigger guard in your parts bin thatís been dying to be a part of your next build.
    The guys here sold me on this lower a while back, I just need to finish building it up.

  4. #4
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    Thanks.

    Curious if the angled receiver might interfere with handguards using anti-rotation tabs like the new MI Combat I recently purchased, or others?

  5. #5
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    Quote Originally Posted by ChattanoogaPhil View Post
    Thanks.

    Curious if the angled receiver might interfere with handguards using anti-rotation tabs like the new MI Combat I recently purchased, or others?
    Not following what you mean here by 'angled receiver'

  6. #6
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    Sorry. Poor and incomplete question on my part.

    Standard receiver





    Aero M4E1. Appears to be additional material creating a built-up angled/flat area forward of the ejection port.





    Standard receiver with MI handguard anti rotation tabs. Tabs are snug to receiver, no extra room.

    Last edited by ChattanoogaPhil; 24 December 2018 at 13:20.

  7. #7
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    That seems like it would warrant a call to Aero to make sure of comparability before buying. If there isn't clearance there it could be a problem maybe?

    No answer for you just let us know what you find out.

  8. #8
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    Found this quote on MI's website:

    "IMPORTANT COMPATIBILTY NOTES!

    Due to the many different dimensions in BILLET UPPER RECEIVERS on the market, please contact your billet upper receiver manufacture to insure fit of this handguard. This handguard is compatible with standard forged upper receivers."

  9. #9
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    Quote Originally Posted by alamo5000 View Post
    That seems like it would warrant a call to Aero to make sure of comparability before buying.
    Thanks.

    Was hoping someone here had an Aero M4E1 and could tell me if what I think I see is correct or me suffering from an optical delusion. If the area is raised compared to a standard receiver that will tell me what I need to know.

    Merry Christmans.

  10. #10
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    Quote Originally Posted by ChattanoogaPhil View Post
    Thanks.

    Was hoping someone here had an Aero M4E1 and could tell me if what I think I see is correct or me suffering from an optical delusion. If the area is raised compared to a standard receiver that will tell me what I need to know.

    Merry Christmans.
    Any particular handguard you're going to mat this with?

  11. #11
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    Quote Originally Posted by UWone77 View Post
    Any particular handguard you're going to mat this with?
    MI Combat.


  12. #12
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    If I remember, I'll throw together a M4E1 and a combat rail tomorrow and see if they fit.

  13. #13
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    Quote Originally Posted by UWone77 View Post
    If I remember, I'll throw together a M4E1 and a combat rail tomorrow and see if they fit.
    Wow! That's a lot of effort to answer this dummy's question. Thank you so much.

    Merry Christmas

  14. #14
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    Quote Originally Posted by ChattanoogaPhil View Post
    Wow! That's a lot of effort to answer this dummy's question. Thank you so much.

    Merry Christmas
    That's how this place operates. You ask a parts question and someone here will have the parts on hand to give you the answer and most likely even a pic or two to go with it.



    Ric

  15. #15
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    It's snug, but no issues installing it on a M4E1.

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