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Posted: 3/23/2017 10:27:01 PM EDT
[#1]
no....no....no.
very different chambering and barrels. need an AR 9mm upper |
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Posted: 3/23/2017 10:34:57 PM EDT
[#2]
I used a standard Aero Precision AR15 upper for my 9mm build... no gas needed, so used an inexpensive YHM fore end that threaded on the barrel nut...16" 9mm barrel, and a NFA 9mm modular bolt and standard charging handle to complete my upper... I used a billet Glock mag complete lower from NFA to complete the build... the barrel will most likely be threaded for 1/2x36 and not 1/2x28 so depending on what type of muzzle device you choose, make sure of the thread pitch...
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Posted: 3/23/2017 10:39:51 PM EDT
[#3]
Quote HistoryQuoted:
no....no....no. very different chambering and barrels. need an AR 9mm upper There is no 9mm-specific upper receivers - 9mm ARs use there same upper receivers as any other AR15-capable caliber. Yes, you need a 9mm barrel and bolt, but the upper receiver itself is the same as a 5.56/223, 6.8 SPC, 300 AAC Blackout, etc. |
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Posted: 3/23/2017 10:41:58 PM EDT
[#4]
You can indeed use the same upper receiver, though not the same barrel or bolt/bolt-carrier combination.
A dedicated 9mm upper lacks the gas tube cutout, since 9mm uses blowback not a gas system, but a regular upper receiver could still be used if you wanted to. |
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Posted: 3/23/2017 10:44:19 PM EDT
[#5]
the stripped upper receiver is the same. 9mm or 223.
you can by any standard stripped upper for building the 9mm upper. I got one from ar brick or something like that. But I see a bunch under 40 bucks now, even cheaper than before. |
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Posted: 3/23/2017 10:49:01 PM EDT
[#6]
Yes, you use an AR15 Upper Receiver to build a 9mm AR. Good luck with your build - hope you post pics.
I used a YHM 9mm URG mated to a LoneWolf G9 LRG to build mine. |
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Posted: 3/23/2017 10:54:31 PM EDT
[#7]
Quote HistoryQuoted:
You can indeed use the same upper receiver, though not the same barrel or bolt/bolt-carrier combination. A dedicated 9mm upper lacks the gas tube cutout, since 9mm uses blowback not a gas system, but a regular upper receiver could still be used if you wanted to. you can build a 9mm on any stripped ar15 receiver but a 9mm upper receiver might not work for other calibers that used a cam pin and gas tube unless those cutouts are present. |
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Posted: 3/24/2017 12:22:30 AM EDT
[#8]
Quote HistoryQuoted:
some dedicated 9mm uppers lack the cam pin cutout too. Dedicated 9mm upper forging, not necessarily so good for non-9mm uses. |
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Posted: 3/24/2017 11:43:04 AM EDT
[#9]
I'm running a Spinta Slick Side Billet 9mm upper.
Any AR-15 upper works though. |
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