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Thread: What model M16?

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    Senior Veteran
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    What model M16?

    What model M16A1 does this upper come off of? It's marked C H on the carry handle and appears to have a large round forward assist. Also a square pad port door and a large front pin hole.

    Edit: Sporter?

    CHupper1.jpg
    .
    CHupper2.jpg
    Last edited by scottz63; 07-25-2018 at 03:36 AM.
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  2. #2
    Senior Veteran Ghoulardi's Avatar
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    Quote Originally Posted by scottz63 View Post
    large front pin hole.

    Edit: Sporter?
    yep, it's a commercial made upper for a COLT AR15, not a M16 upper receiver. the large front take down pin hole IDs that
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    holescreek's Avatar
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    Yep, Colt SP1

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    Senior Veteran Ghoulardi's Avatar
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    not quite a SP1. SP1s didn't have a forward assist, what that upper came off was from a COLT AR 15A2 (that is what was stamped on the mag well, despite it having a A1 upper receiver) model R6420, Green Label. circa 1985.

    if you don't mind having a large off set take down pin so it can fit on a standard AR15 lower, that upper would be a good candidate for a M16A1 wannabe. just have to change the forward assist from a round one(A2 style) to a tear drop one(A1 style).
    Last edited by Ghoulardi; 07-25-2018 at 11:07 AM.
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    Quote Originally Posted by Ghoulardi View Post
    not quite a SP1. SP1s didn't have a forward assist, what that upper came off was from a COLT AR 15A2 (that is what was stamped on the mag well, despite it having a A1 upper receiver) model R6420, Green Label. circa 1985.

    if you don't mind having a large off set take down pin so it can fit on a standard AR15 lower, that upper would be a good candidate for a M16A1 wannabe. just have to change the forward assist from a round one(A2 style) to a tear drop one(A1 style).
    Thanks for the info. I thought it was an SP1 at first until I saw the forward assist on it. I had never seen one on an SP1 before.

    That's exactly what I want to do. My M16A1 wannabe has a Nodak Spud upper and lower in black. I want to change them out to Colt with the Colt gray finish.

    Thanks again.
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  6. #6
    Planning's Avatar
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    SP2,

    Colt Sporter II Carbine with 20 round magazine - 5.56x45mm

    Let me find a picture of it.

    Found it.
    Attached Images Attached Images
    Last edited by Planning; 07-25-2018 at 03:23 PM.
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