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10/30/2020 2:42:12 PM
Posted: 11/21/2008 3:01:41 PM EST
[Last Edit: 11/21/2008 3:02:56 PM EST by wrightflyer]
I found this site while looking for some triangle handguards to put on my A2 to make it look retro.  After about a year and much researching on this forum here is what I have come up with. Sorry for the crappy pics.

I just got this 9mm upper last week for my 633 build and was surprised to see that is has a forward assist bump shaved off. It is marked P K.  I assumed these were 604 uppers. Is this common?

Link Posted: 11/21/2008 3:18:10 PM EST
Nice builds. I upper looks kind of like the 605, but with more of the aluminum milled off.

Link Posted: 11/21/2008 3:48:35 PM EST
Very nice builds!
Link Posted: 11/21/2008 4:33:09 PM EST
Wow!!  ..you don't mess around!  ...

Nice builds!
Link Posted: 11/22/2008 1:22:12 AM EST
Link Posted: 11/22/2008 3:12:33 AM EST
[Last Edit: 11/22/2008 3:13:17 AM EST by slt223]
The only upper receiver I've ever seen that has a shaved looking forward assit has been the Diemco RO750 LMG upper receivers.  Does your 9mm upper have a gas port hole in it?
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