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AR15.COM
6/15/2006 5:34:20 PM EDT
How do you tell by looking at an existing barrel if it is chrome lined?
Thanks.
6/16/2006 5:07:28 AM EDT
[#1]
C MP C = chrome chamber but not the bore

C MP B = chrome chamber and bore

C MP Chrome Bore =  

On aftermarket bbls hopefully they are marked some way.  Better to ask this in the AR15 forums.

rj
6/16/2006 5:15:56 AM EDT
[#2]
Sometimes if the barrel is unmarked you can look at the exit end. If there is a silver shine that looks to be "splatter", it can be the chrome.  Check a AK47 barrel as you often can see it.
If the barrel has been target crowned - I use a dry 5.56 wipe. If the wipe slides easy - probably chrome. If there is drag - chrome molly.