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9/22/2017 12:11:25 AM
Posted: 3/7/2006 2:57:03 PM EDT
I see all the 9mm uppers have no forward assist. (I understand why) and a 3/4 length ejection port door and a plastic shell deflector.
Aside from all that, it the basic upper receiver a NORMAL Colt Ar-15 receiver?
In other words, can I take a normal upper, add the 3/4 ejection port door and shell deflector and have a 9MM UPPER..?
or is there something I dont see or understand.?
TIA
Link Posted: 3/7/2006 3:31:46 PM EDT
My Oly-style upper has a full-size port cover and no deflector and I have had no issues with it at all...even from people shooting left handed.
Link Posted: 3/7/2006 4:40:01 PM EDT
so then, basically there are no differences in the upper AR receivers 9mm vx 223..
is that correct?
Link Posted: 3/7/2006 5:08:53 PM EDT

Originally Posted By DaNerd2:
so then, basically there are no differences in the upper AR receivers 9mm vx 223..
is that correct?



Any .223 can work as a 9mm upper, no problem. But factory 9mm uppers don't have the gas tube hole or the internal milling for the cam pin, so you couldn't use a 9mm upper as a .223.
Link Posted: 3/8/2006 12:47:52 AM EDT
Thanks, I wish I had known this a month ago
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