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Posted: 11/9/2002 10:17:56 AM EDT
[#1]
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Posted: 11/9/2002 11:03:08 AM EDT
[#2]
I too was searching for this info...thanks for the post rebel_rifle!
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Posted: 11/9/2002 12:02:48 PM EDT
[#3]
Thanks for the info Rebel_Rifle. I now if the DK is for Diemaco/Kaiser or Bushmaster? I would guess Diemaco/Kaiser because the barrel is not marked. Thanks again.
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Posted: 11/9/2002 1:15:16 PM EDT
[#4]
FWIW - never in my career have I ever seen a Diemaco upper marked DK - they have all been D marked - this goes for both the C7/C8 fixed handle uppers as well as the C7A1 flatops.
I believe the barrel you have is a Colt 1:12 -Kevin |
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Posted: 11/9/2002 3:35:15 PM EDT
[#5]
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Posted: 11/9/2002 3:44:30 PM EDT
[#6]
I think I agree with 19SFGRPLT.I bought mine advertised as a Bushmaster, but with no barrel markings, I am thinking it is Diemaco/Kaiser. My bushy M4 upper has the front sight held using taper pins, this DK upper uses roll pins for the front sight.
 -edit: and a -plastic- delta ring! |
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Posted: 11/9/2002 5:12:16 PM EDT
[#7]
Kaiser is the forge - they don't produce finished uppers, just raw forgings.
Diemaco would normally be the finish machiner. Lots of "DK" marked uppers out there, so no guarantee you've got a factory Diemaco upper, either. All bushmaster factory uppers have "B MP 5.56" or some such on the barrels. |
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Posted: 11/9/2002 7:53:01 PM EDT
[#8]
Circuits,
I understand the forge idea but... I know our are Diemaco :) I will get a shot of the upper on the other side with its raised D kinda like a "I>" and a pic of the CH marking same D. All the uppers I have seen since we have gotten the C7 type rifles only have the D - no DK. Al the Diemaco bbls are D MP 1:7 plus the individual bbl has a serial number stamped into it as well (don't ask me why, we dont use it- maybe its a factory control thing.) Are you insinuating that the "DK" are something liek the "FN" |
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Posted: 11/10/2002 12:16:05 PM EDT
[#9]
Absolutely not a Colt or Bushmaster barrel. Not only are all of their barrels marked, but they both use taper pins and aluminum delta rings exclusively. The upper receiver could be a Bushmaster, but it could easily be from somewhere else too. Bushmaster buys the raw forgings from the same sources that most other AR companies do. The difference is the machining and finishing that each manufacturer does on the forging that matters. And there is NO way to know who made an upper unless they mark it, and no one does that consistantly. -Troy |
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Posted: 11/10/2002 12:36:54 PM EDT
[#10]
the "finishing" is not very clean,not as smoothed out as my Bushy is.I was going to work it over,but I'll wait and bring it to dinner. It'll be good for a laugh. 
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