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25 September 2014, 09:29 #11
Thanks, guys!
Yeah, Chris has been running that BCG in our complete upper. He pulled the phosphate BCG out and put the Nitride BCG in. Wear on the black outer Iron Oxide (Fe3O4) layer will probably be very minimal to non-existent, on the contact points, since the upper is already broken in. If he runs it in that San Tan build he may be able to get it to the compound layer on the contact points.Premium AR-15 parts for the customer who demands reliability and quality.
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