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Posted: 9/8/2010 5:55:54 PM EDT
I have a Colt 6450. I am wanting to build a flat top upper for it. Are all 9mm barrels and bolts compatible with the Colt dedicated 9mm lower? I do not want to tear apart the Colt upper just to swap parts into a flat top receiver. Which companies upper parts will work with this lower? Thanks in advance.
Link Posted: 9/13/2010 4:41:55 PM EDT
[Last Edit: 9/13/2010 4:44:30 PM EDT by truckcop]
I built mine using Spike's upper & barrel, Larue handguard and just used the colt bolt. Stuck it all on top of the Colt lower and it works great.
Link Posted: 9/13/2010 4:42:36 PM EDT
[Last Edit: 9/13/2010 4:43:19 PM EDT by truckcop]
double tap. sorry
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