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1/25/2018 7:38:29 AM
Posted: 3/12/2006 3:56:38 AM EST
I have some questions about the 6600 HBAR rifles green label AR15A2. Need help from Colt experts on the board.

When did Colt start manufacture of the 6600?
Where does the serial # range start?
Colt finishes of the mid 80s 1985 to 87 had a dark gray finish to them. Is that correct?
Did Colt make their own barrels back then? or did they get their 20 inHBAR 1 in 7in barrels from another company?
What type of accuracy do you get with your HBAR pre 89 green label?

Finally, any pictures of your 6600 20 in HBAR pre 89?

Link Posted: 3/12/2006 4:25:25 AM EST
Here's the best I can offer:

Colt Variants
Link Posted: 3/12/2006 4:25:54 AM EST
Paging "Ekie"

Check this thread, Coltfan ----->LINK

I realize its for the 6700, but between this and other Ekie Colt serial number, production date threads, you can narrow it down

Also......This one

and This one

Link Posted: 3/12/2006 5:42:44 AM EST
My Colt 6600 was made in in June 1988, serial number SP 2293xx.

Link Posted: 3/12/2006 5:54:14 AM EST
[Last Edit: 3/12/2006 7:33:18 AM EST by Ekie]
The 6600 data base should be the next one, not sure when I will do it.


Got the 6600 date base up here:


Will be adding 6601 data in there in a bit....
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