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Posted: 2/26/2006 6:39:40 AM EDT
[#1]
This might help somewhat:
www.ar15.com/forums/topic.html?b=3&f=118&t=264305 I would assume that if the bore is chromed that the chamber would be as well. |
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Posted: 2/26/2006 7:00:42 AM EDT
[#2]
"B" indicates an early production fully chromed bore and chamber. Later production pieces were marked "CHROME BORE", probably because the B by itself confused people. And BTW, I own, and have seen other, Chinese SKS's where the barrel blank was chromed before chambering, so the rifling is plated, but the chamber and barrel lead aren't 
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Posted: 2/26/2006 7:01:58 AM EDT
[#3]
Thanks for the info. Is one necesarily any better than the other?
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Posted: 2/26/2006 7:07:07 AM EDT
[#4]
Well, you definitely want a chromed chamber regardless of whether the bore is or not. As for the bore being chromed, it makes it more corrosion resistant and easier to clean. |
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Posted: 2/26/2006 7:56:11 AM EDT
[#5]
As regards Colt AR-15 barrels, if the bore is chromed then the chamber is as well.
In the time frame of 1967-72 or so, barrels were made with chromed chambers but unchromed bores. These are marked "C MP C". |
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