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Posted: 9/10/2011 1:03:33 PM EDT
| i might have missed this if it has been answered before but how do you deal with rust on outside of barrel extension on a ss dpms barrel? i bought the barrel new wiped it down and stored it while waiting for my upper to arrive brought it out and there is brown discoloration on the outside of barrel extension. it does not turn patches color just the metal is discolored will it hurt to oil/grease it and put it together? thanks |
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