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AR15.COM
AR Sponsor
11/30/2005 2:56:49 PM EDT
Any one have this setup?  I want a "flat top", but I would love to keep the gun as "Colt" as possible.
11/30/2005 3:54:20 PM EDT
[#1]
The RRA 9mm A4 upper receiver will work fine with a Colt 9mm lower.

Steve
Hallmark Small Arms
11/30/2005 4:03:27 PM EDT
[#2]
I just bought a RRA 9mm. upper from Pete @ Legal Transfers. It fits my Colt  6450 lower A-1. Now I have a flatop that fits, and a barrel at Gemtech getting cut. Oh, I still have my Colt upper intact. Good way to go.
12/1/2005 3:34:06 AM EDT
[#3]
Thanks guys...what evil things are GEMTECH going to do to your barrel.
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