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1/25/2018 7:38:29 AM
Posted: 7/8/2003 9:28:22 PM EST
Hey guys, I have a Colt Hbar Rifle with 20in barrel. I want to change the complete upper assembly to another upper asembly.

Are there any complete upper assemblies available that will drop in to my Colt Post-ban lower assembly without alterations, other than Colt?

Thanks for any suggestions you can give me
Link Posted: 7/8/2003 9:33:04 PM EST
If it has a Small pushpin lower, than any postban upper will work just fine. Bushy, Armalite, Rock River, and of course... Colt. -Cap'n
Link Posted: 7/8/2003 9:47:51 PM EST
What do you mean by small pushpin lower ? Please explain.
Link Posted: 7/8/2003 9:52:34 PM EST
If the front Pivot Pin that hinges the upper receiver together is the smaller of the 2 sizes (I think it's 1/4" diameter) then it's a small pushpin. Sorry, shoulda explained that. More than likely yours is of this variety, cause I'm pretty sure all postban Colts have small pin lowers. -Cap'n BTW, Large pin is .315 diameter.
Link Posted: 7/8/2003 10:06:52 PM EST
Thank you sir for the info Ill check it out
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