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Posted: 12/24/2003 5:48:50 AM EDT
I've read on here that the Colt 6400 is about the closest to Mil Spec one can get-If I ordered just the Colt 6400 upper, would there be a problem setting it on a standard post ban Bushmaster lower....is it small pins?
Link Posted: 12/24/2003 6:39:38 AM EDT
Yes, it will work...the take down pins are mil-spec.  Go for it but good luck finding just the upper.
Link Posted: 12/24/2003 7:24:22 AM EDT
Get the rifle compleat from colt and you get the warentee and the resale value .
Link Posted: 12/24/2003 7:32:22 AM EDT
Did Colt go back to mill-spec pin on all thier ARs?

Gunner45
Link Posted: 12/24/2003 7:35:24 AM EDT
Originally Posted By Gunner45:
Did Colt go back to mill-spec pin on all thier ARs?

Gunner45
View Quote


All the current Colts have the 0.250 pivot pin.  The FCG is still their proprietary larger size.
Link Posted: 12/24/2003 12:00:55 PM EDT
[Last Edit: 12/24/2003 12:01:29 PM EDT by CJan_NH]
Originally Posted By bsbg:
Originally Posted By Gunner45:
Did Colt go back to mill-spec pin on all thier ARs?

Gunner45
View Quote


All the current Colts have the 0.250 pivot pin.  The FCG is still their proprietary larger size.
View Quote

Since a picture is worth a thousand words [:D]

This is my 6400C:
[img]http://home.comcast.net/~cjan99999/front_pin.JPG[/img]
Link Posted: 12/24/2003 1:23:22 PM EDT
Why not go with a Bushmaster rifle, add the feed ramps if you want to and have the same thing for less money?
Link Posted: 12/24/2003 9:42:05 PM EDT
Another difference is the 1:7 twist in the Colt vs the 1:9 in the Bushy.  All Colt would need to do to make the 6400 perfect would be to make a model with the 14.5" barrel w/muzzle brake.  

Since I'm dreaming, I'd like to see them use a different brake as well - perhaps a longer version of the Wilson Comp/A2 FS look-alike. [;)]
Link Posted: 12/24/2003 9:57:44 PM EDT
Hey guys thanks for the info. I have yet to join the ranks of AR ownership, so if this is a dumb question...sorry. But what is  the FCG? I would assume that is the other pin.

Gunner45
Link Posted: 12/25/2003 12:21:17 AM EDT
Gunner45 FCG stands for Fire Control Group. Be careful when you get your first AR cause they have a tendency to multiply! [;)]
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